Oracle 083

Which three are located by using environment variables? (Choose three.). the Optimal Flexible Architecture (OFA) compliant path to store Oracle software and configurationfiles. the location of Oracle Net Services configuration files. the list of a disk group names to be mounted by an Oracle Automatic Storage Management (ASM)instance at startup. default directories for temporary files used by temporary tablespaces. the temporary disk space used by Oracle Installer during installation. the maximum number of database files that can be opened by a database instance.

Which three are true about Audit policies In container databases (CDBs)?. All audit records are written to the audit trail in CDB$ROOT. A common unified audit policy can be created at the application root level. A common unified audit policy can be created at the CDB level. An application PDB cannot have a local audit policy. Fine-grained auditing policies defined in an application root must be manually synchronized byeach application PDB contained in the application root. Application-common unified audit policies defined In an application root must be manuallysynchronized by each application PDB contained in the application root.

Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.). A target database's persistent RMAN configuration settings are always stored in the target'scontrol file. Backup older than the recovery window retention policy are always deleted automatically if thebackup location has insufficient space. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancyretention policy can be deleted automatically to free space. The RMAN SHOW ALL command displays only settings with nondefault values. A target database's persistent RMAN configuration settings are always synchronized automaticallywith the RMAN catalog. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified. A DBA must specify either a redundancy retention policy or a recovery window retention policy.

Which four are true about RMAN backup sets? (Choose four.). A backup piece can belong to only one backup set. A data file can be split into multiple sections stored in different backup sets. A data file can be split into multiple sections stored in different backup pieces in the same backupset. Blocks from multiple data files can be contained in one backup piece,. A backup set can contain only one backup piece. A backup set must be written to media. A backup set must be written to disk. Blocks from multiple data files can be contained in one backup set.

Which two are true about the Oracle dataabse methodology? (Choose two.). The Oracle Database time model should be used to find the database and instance areas most inneed of tuning. Tuning activities should stop once the user is satisfied with performance. Tuning activities should stop once agreed service levels for performance have been met. The database instance memory should always be tuned before tuning any file systems. SQL statements should always be tuned before tuning any file systems. The alert log should be used to find the database and instance areas most in need of tuning.

Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-serverxxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.). performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructureare met. creating the oracle OS user. creating the OSDBA (dba) group. creating thte oraInventory (oinstall) group. creating the grid OS user. configuring the OS for Oracle Automatic Storage Management shared storage access.

Which two are true about creating RMAN backups for an Oracle container database? (Choose two.). Tablespaces from different PDBs with identical names must be backed up by connecting RMANseparately to each PDB to back up the tablespaces. The BACKUP DATABASE command will create a pluggable database (PDB) backup when RMAN is connected to a PDB. SPFILE backups can be created while connected to an application root PDB. The BACKUP DATABASE PLUS ARCHIVELOG command will back up archive logs when RMAN isconnected to a PDB. The BACKUP PLUGGABLE DATABASE command can be used to back up CDB$ROOT.

Which three are true In Oracle 19c and later releases?. Tablespaces always remain In read/write mode during transportable tablespace operations. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level. Tablespaces never remain In read/write mode during transportable tablespace operations. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported. A transportable data pump import can leave a plugged-in tablespace in read-only mode. A transportable data pump import can leave a plugged-in tablespace In read/write mode.

Which two are true about data movement between a non-CDB and a PDB using Data Pump? (Choose two.). Tablespaces are automatically created as neeed while importing full exports in either a non-CDB ora PDB. Oracle attempts to convert conventional database users to local users when moving schemas from a non- CDB to a PDB. A new PDB is automatically created when importing a non-CDB into a CDB. Oracle attempts to convert common users to conventional users when moving schemas from a PDB to a non-CDB. Moving data from a PDB to a non-CDB is only possible by using transportable tablespace export and import. Moving data from a non-CDB to a PDB is only possible by using conventional export and import.

Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.). Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lowerthan the time they have already been retained. Flashback logs are monitored and proactively deleted when beyond the retention period definedin DB_FLASHBACK_RETENTION_TARGET only after there is space pressure. Flashback logs are monitored and proactively deleted when beyond the retention period definedin DB_FLASHBACK_RETENTION_TARGET before there is space pressure. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger. Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.

A container database called CDB1 is OMF-enabled. PDB_FILE_NAME_CONVERT is not configured in CDB1. PDB1 was unplugged from CDB1 earlier in the week. Examine this command, which will be executed in CDB1: CREATE PLUGGABLE DATABASE pdb1 USING '/u01/app/oracle/oradata/pdb1.xml' SOURCE_FILE_NAME_CONVERT = ('/u01/app/oracle/oradata/', '/u02/app/oracle/oradata/'); Which two are true? (Choose two.). PDB1 data files already exist in the correct location. DBMS_PDB.CHECK_PLUG_COMPATIBILITY must be run in CDB1 before executing the command. PDB_FILE_NAME_CONVERT must be set before executing the command. /u01/app/oracle/oradata/pdb1.xml does not contain the current locations of data files for PDB1. PDB1 must be dropped from CDB1.

Examine these actions: Create a new database for a recovery catalog. Create a tablespace with sufficient space in the catalog database for the recovery catalog. Configure ARCHIVELOG mode for the catalog database. Create a user to own the recovery catalog schema with quota on the tablespace that will containthe catalog. Grant the RECOVERY_CATALOG_OWNER role to the recovery catalog schema owner. Grant the SYSBACKUP privilege to the recovery catalog schema owner. Which are the minimum actions that must be performed before executing the CREATE CATALOG command?. 2, 4, 5, 6. 1, 2, 3, 4, 5, 6. 1, 2, 4, 5. 2, 4, 5. 1, 3, 4, 5.

A database is configured in ARCHIVELOG mode. Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred. In which two scenarios is complete recovery possible? (Choose two.). when any archived log from, before, or after the most recent backup is corrupt. after losing all copies of the control file. after losing an archived log from after the most recent backup. after losing an archived log from before the most recent backup. after losing the SYSTEM tablespace.

Examine this configuration: CDB1 is a container database. COMMON_USER_PREFIX is C##. PDB1 is a pluggable database contained in CDB1. APP1_ROOT is an application container contained in CDB1 APP1_PDB1 is an application PDB contained in APP1_ROOT You execute these commands successfully: APP1_USER1 can be created in PDB1. APP1_USER1 can be created in CDB1. APP1_USER1 can have different privileges in each Application PDB contained in APP1_ROOT. C##_APP_USER1 can be created in CDB1. P1_USER1 can be created in CDB1. C##_USER1 will have the same privileges and roles granted in all PDBs in CDB1.

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.). Duplication can be done by having the auxiliary database instance pull backup sets from the targetdatabase instance. A connection to an auxiliary instance is always required. A subset of the target database can be duplicated. A new DBID is always created for the duplicated database. A connection to the recovery catalog instance is always required. A backup of the target database is always required. Duplication can be done by having the target database instance push copies to the auxiliary database instance. A connection to the target database instance is always required.

Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.). cloning a remote container database in interactive mode. cloning a remote pluggable database in silent mode. relocating a remote pluggable database in interactive mode. relocating a remote container database in silent mode. cloning a remote container database in silent mode. relocating a remote pluggable database in silent mode. relocating a remote container database in interactive mode.

You have configured RMAN SBT channels to write backups to media. You then take an RMAN backup by using this command: Which three are true? (Choose three.). The restore point is a label for the system change number (SCN) that will be saved two years afterthe archival backup was taken. The data file backups in the self-contained archive backup are not considered obsolete for twoyears regardless of the retention policy. All archive logs created after this backup are kept for two years. The SPFILE is included in the self-contaied archival backup. The control file is included in the self-contained archival backup. The restore point is a label for the system change number (SCN) before the archival backup wastaken.

It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'. It will fail because there is no autobackup of the controlfiles.

You issued this command: RMAN> BACKUP RECOVERY FILES; Which two are true? (Choose two.). All Oracle recovery files not in the current FRA that have not been backed up already, are backed up. All non-Oracle files in the current FRA that have not been backed up already, are backed up. All Oracle recovery files in the current FRA that have not been backed up already, are backed up. All Oracle recovery files in the current fast recovery area (FRA) are backed up. These backups can be written to disk or SBT.

You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server. Examine this command and its outcome: oracle will be an owner of the Oracle Inventory. oracle must be the owner of every Oracle Database installation. oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation. oracle will be granted the SYSASM privilege when installing the Oracle Database software. The user account, oracle, and group, oinstall, can be used for all Oracle software installations.

Which two are true about the character sets used in an Oracle database? (Choose two.). Single-byte character sets provide better performance than multibyte character sets. Unicode enables information from any language to be stored using a single character set. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA). Single-byte character sets always use 7-bit encoding schemes. Multibyte character sets allow more efficient space utilization than single byte character sets. Single-byte character sets always use 8-bit encoding schemes.

Any PDB not specified in the plan will be unable to execute statements in parallel. PDB3 can use all available parallel execution processes at times. PDB1 is always limited to 40% of the available system resources regardless of demand. Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources. PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand. PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.

A database is configured in ARCHIVELOG mode A full RMAN backup exists but no control file backup to trace has been taken. A media failure has occurred. after losing a SYSAUX tablespace data file. after losing all members of an INACTIVE online redo log group. after losing all members of the CURRENT online redo log group. after losing all copies of the control file. after losing an UNDO tablespace that is in use.

Which three are true about Optimizer Statistics Advisor? (Choose three.). It can be run only manually. It is part of the DBMS_ADVISOR package. It can recommend changes to improve the statistics gathering process. It always analyzes all schemas in the database. It runs automatically every night by default. It is part of the DBMS_STATS package.

While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck. FORCE LOGGING is enabled for the database. Which two could improve read performance? (Choose two.). Increase the size of tape I/O buffers. Disable FORCE LOGGING for the database. Increase the size of the database buffer cache. Enable asynchronous disk I/O. Increase the level of RMAN multiplexing.

You must transport the UNIVERSITY tablespace from one database to another. The UNIVERSITY tablespace is currently open read/write. The source and destination platforms have different endian formats. Examine this list of actions: Make the UNIVERSITY tablespace read-only on the source system. Export the UNIVERSITY tablespace metadata using EXPDP. Convert the UNIVERSITY tablespace data fies to the destination platform format using RMAN onthe source system. Copy the UNIVERSITY tablespace data files to the destination system. Copy the Data Pump dump set to the destination system. Convert the UNIVERSITY tablespace data files to the destination platform format using RMAN onthe destination system. Import the UNIVERSITY tablespace metadata using IMPDP. Make the UNIVERSITY tablespace read/write on the destination system. Which is the minimum number of actions required, in the correct order, to transport the UNIVERSITY tablespace?. 1, 2, 4, 5, 7, 8. 1, 2, 4, 6, 7, 8. 1, 2, 3, 4, 5, 7, 8. 1, 2, 3, 4, 5, 6, 7, 8. 2, 4, 5, 6, 7.

Which two are true about the execution of operating system scripts starting from Oracle Database 19c? (Choose two.). orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials. root.sh can be executed automatically by the Database Installer only if it is provided with root credentials. The sudo password can be specified in a response file. root.sh can be executed automatically by the Database installer only by using sudo credentials. The sudo password must be specified in a response file. The root password cannot be specified in a response file.

Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.). Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state. A failure can be closed only when it has been repaired. Data Recovery Advisor can be used if a database is closed. The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities. Data Recovery Advisor can proactively check for failures.

Which three are true about performing an Oracle Database install on Linux? (Choose three.). The runfixup.sh script can install missing RPMs. The Oracle Preinstallation RPM must be used to configure the Oracle database installation owner,the Oracle Inventory group, and an Oracle administrative privileges group. It allows you to select the languages supported by the Oracle database server. It can be done before installing Grid Infrastructure for a Standalone Server. The Oracle Preinstallation RPM can be used to configure the Oracle database installation owner,the Oracle Inventory group, and an Oracle administrative privileges group. It can be done after installing Grid Infrastructure for a Standalone Server. The Oracle database administrator must be granted access to the root operating system account to tun root privileged scripts.

Uncommitted transactions in PDB1 have been rolled back. PDB1 is closed. Uncommitted transactions in CDB1 and PDB1 have been rolled back. CDB1 is shut down. CDB1 is in MOUNT state.

Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.). The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria. Oracle DBCA templates can store only logical structure and not database files. New templates can only be created by modifying an existing user-created template. The Data Warehouse template is most suitable when transaction response time is the key criterion. Oracle DBCA templates can be used to create new databases and duplicate existing databases.

Which two are true about Oracle Flashback features? (Choose two.). FLASHBACK QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files. FLASHBACK VERSION QUERY can retrieve REDO records from ONLINE and ARCHIVED REDO LOG files. FLASHBACK TABLE can undrop a column. FLASHBACK DROP can undrop an index when undropping a table. After a database is restored from flashback logs using the FLASHBACK DATABASE command, it is sometimes rolled forward using redo logs.

Which two are true about gathering optimizer statistics? (Choose two.). Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT. System statistics can be gathered only while connected to CDB$ROOT. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs).

Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.). All metrics are instance related. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY. A space usage management alert is automatically cleared after the underlying problem is resolved. They are generated by SMON when a tablespace is 97% full. Metrics are statistical counts for a specific unit. STATISTICS_LEVEL must be set to ALL to generate alerts.

Which three are true about transporting databases across platforms using Recovery Manager (RMAN) image copies? (Choose three.). By default, the transported database will use Oracle Managed Files (OMF). Data files can be converted on the destination system. Data files can be converted on the source system. A new DBID is automatically created for the transported database. Databases can be transported between systems with different endian formats. The password file is automatically converted by RMAN.

Examine this configuration: 1. CDB1 is a container database running in archivelog mode. 2. Multiple uncommitted transactions are running in CDB1. 3. Redo log groups 1 and 2 are inactive. 4. Redo log group 3 is the current group. All members of redo log group 3 are lost before it is archived. Examine these possible steps: 1. SHUTDOWN ABORT 2. STARTUP NOMOUNT 3. STARTUP MOUNT 4. ALTER DATABASE MOUNT 5. RESTORE DATABASE 6. RECOVER DATABASE NOREDO 7. RECOVER DATABASE UNTIL AVAILABLE 8. RESTORE ARCHIVELOG ALL 9. ALTER DATABASE OPEN 10. ALTER DATABASE OPEN RESETLOGS Choose the minimum required steps in the correct order to recover the database. 1, 3, 5, 6, 10. 1, 3, 5, 8, 6, 10. 1, 3, 5, 6, 9. 1, 3, 5, 6, 10. 1, 2, 5, 7, 4, 10. 1, 3, 5, 7, 10.

Which three are true about managing memory components in an Oracle database instance? (Choose three.). With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart. Automatic Memory Management must be used together with locking the System Global Area into physical memory. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.

Examine this configuration: 1. The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA. 2. ORCL uses disk group +FRA for the Fast Recovery Area. 3. LISTENER is the listener for ORCL. 4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart. 5. All components are currently shut down. You execute this command: srvctl stat database -d ORCL what is the outcome?. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started. Only the ORCL database instance is started. Only the ORCL database and the ASM instances are started. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started. Only the ORCL database instance and the +DATA and +FRA disk groups are started.

Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.). Media Management messages for SBT devices are always written to sbtio.log. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated. RMAN error stacks should be read from the top down as that is the order in which errors are generated. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file and to standard output. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only. Media Management messages for SBT devices are written to an Oracle trace file.

Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1. You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT. Which two are always true? (Choose two.). CDB1 and CDB2 must be in shared undo mode. A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege. All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts. Cloning HR_ROOT automatically clones HR_PDB1. The HR_PDB1 clone created in CDB2 will be in mount state when cloning ends.

Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.). SBT tape compression can be used even if no RMAN compression is configured. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets. SBT tape compression and RMAN backup compression should be used in parallel. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.

Which three are true about the SQL Tuning Advisor? (Choose three.). It checks each query being analyzed for stale statistics. It checks each query being analyzed for missing statistics. It only recommends syntactic changes to SQL statements. It can recommend semantic changes to SQL statements. It considers all SQL statements being analyzed by the advisor task as a group. It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

Which four are true about performing Tablespace Point -In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?. It can be performed using an auxiliary instance managed by a DBA. It can be used to recover a truncated table. RMAN automatically adds any required tablespaces to the recovery set to make it self-contained. RMAN always includes tablespaces containing undo segments in the recovery set. It can be performed repeatedly until the correct time is found without using an RMAN catalog. flashback database must be enabled for it to work. It can be used to recover a dropped tablespace. It can be performed using an auxiliary instance managed by RMAN.

Which three are true? (Choose three.). Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container. Application-common TSDP policies are always container specific. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block. Unified auditing can be automatically synchronized to all application PDBs in an application container.

Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT. This cannot be done due to the lack of a clean restore point.

Which two are true about OS groups and users for Oracle Grid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.). By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group. The Oracle Grid Infrastructure installation must be owned by the grid user. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database.

Which two are true about Rapid Home Provisioning (RHP), which has been available since Orcale 18c? (Choose two.). It is an Oracle Database service. It cannot be used to upgrade Oracle Database homes. It can be used to provision applications. It can be used to patch Grid Infrastructure homes containing Oracle Restart. It can be used to provision middleware.

Which three are true about requirements for various FLASHBACK operations? (Choose three.). FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON. FLASHBACK version query requires that the RECYCLEBIN parameter be set to ON. FLASHBACK DATA ARCHIVE requires undo to store all versions of all rows of a table being tracked. FLASHBACK drop requires undo to retrieve all versions of a row that existed between two points in time. FLASHBACK version query requires undo to retrieve all versions of a row that existed between two points in time.

Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES_APP application. Examine these steps: 1. Install the SALES_APP application, including the common tables, in the application root. 2. Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root. 3. Create an application seed. 4. Install the SALES_APP application in the application seed. 5. Create the SALES_APP1 and SALES_APP2 application PDBs. 6. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root. 7. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed. 8. Sync the application seed with the application root. Which are the minimum required steps in the correct sequence?. 3,4,1,6,8. 1,5,6. 1,3,5,6,7. 1,3,5,7. 2,5,6.

Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.). A PDB snapshot is always a full copy of the source PDB. A PDB snapshot is always a sparse copy of the source PDB. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems. A PDB snapshot depends on a storage snapshot which can be stored on any file system. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system. A snapshot copy PDB can be created from a stand-alone clone PDB.

Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.). Two or more PDBs can be duplicated with the same RMAN DUPLICATE command. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE. A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it. CDB$ROOT and PDB$SEED are automatically duplicated.

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.). defining primary keys for all tables to speed up all queries. using check constraints to speed up updates. defining foreign keys for all tables to speed up joins. the physical data model. the configuration of storage arrays.

Which two are true about RMAN encryption? (Choose two.). RMAN encryption keys are stored in a database keystore. RMAN can encrypt the Oracle Database password file. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.

On the 10th of August, you implement an incremental database backup strategy and configure a recovery window of five days. Level 0 backups are taken on the 10th, 17th, and 24th of August. Differential level 1 incremental backups are taken daily between the level 0 backups. Today is the 26th of August. Which backups will be obsolete?. all backups prior to 10th of August. all backups prior to 22nd of August. all backups prior to 24th of August. all backups prior to 20th of August. all backups prior to 17th of August.

PDB1 and PDB2 are in MOUNT state. Redo logs are opened. PDB1 and PDB2 are in READ ONLY state. CDB$ROOT is in MOUNT state. PDB$SEED is in READ ONLY state.

Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.). the physical data model. using check constraints to speed up updates. the configuration of storage arrays. defining foreign keys for all tables to speed up joins. defining primary keys for all tables to speed up all queries.

The inserts on USER1.EMP remain uncommitted when the session connected to PDB2. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT. The insert on USER2.DEPT fails because of the active transaction in the parent container. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed. The inserts on USER1.EMP were rolled back when the session connected to PDB2. The insert on USER2.DEPT is uncommitted. The inserts on USER1.EMP were committed when the session connected to PDB2.

Which three are true about an application seed pluggable database (PDB)? (Choose three.). It is automatically synchronized with its application root PDB when an application is upgraded. It cannot be added to an application container after the application container has already been created. A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes. It is automatically synchronized with its application root PDB when an application is installed. It cannot be dropped from its application container. A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes. It is not required in an application container.

While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck. Which three are true about diagnosing and tuning these problems? (Choose three.). If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using asynchronous I/O/. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.

Which two are true about unplugging an application container from a container database and plugging it into a different container database?. It requires local undo mode in both container databases. It requires only local undo mode in the database where the application container will be unplugged. Plugging the application root into a different CDB plugs In all its application PDBs. Application PDBs In the application container must be unplugged before the application root Is unplugged. Unplugging the application root from a CDB unplugs all its application PDBs. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.

Which three actions are performed by Database Upgrade Assistant (DBUA)? (Choose three.). It recompiles all stored PL/SQL code by using utlrp.sql. It empties the RECYCLE BIN. It performs prerequisite checks to verify if the Oracle database is ready for upgrade. It sets all user tablespaces to "read-only" before starting the upgrade. It removes the AUDSYS schema and the AUDIT_ADMIN and AUDIT_VIEWER roles. It increases tablespace size, if required, to meet upgrade requirements.

CDB1, PDB$SEED, PDB1, and PDB2. PDB$SEED, PDB1, and PDB2 only. CDB1 and PDB$SEED only. CDB1, PDB1, and PDB2 only. CDB1, PDB$SEED, and PDB1 only.

Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.). The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.

A container database (CDB) contains two pluggable databases PDB1 and PDB2. The LOCAL_UNDO_ENABLED database property is set to FALSE in the CDB. Data file 24 of PDB2 was deleted and you need to restore and recover it. The only RMAN backup that exists was created with the BACKUP DATABASE command while connected to CDB$ROOT. Which three are true? (Choose three.). Data file 24 can be recovered only while connected to PDB2. Data file 24 can be restored and recovered while connected to CDB$ROOT. Data file 24 can be restored only while connected to CDB$ROOT. Data file 24 can be restored only while connected to PDB2. Data file 24 can be recovered while connected to PDB2. Data file 24 can be recovered while connected to CDB$ROOT.

Which two are true about instance recovery? (Choose two.). It is not possible if an archived log is missing. It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered. Setting FAST_START_MTTR_TARGET to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery. It is performed by the Recovery Writer (RVWR) background process. Setting FAST_START_MTTR_TARGET to a higher value reduces instance recovery time by causing the log writer to write more frquently, thereby reducing the number of I/Os needed during instance recovery. It is performed automatically while the database remains in MOUNT state. Then the database is opened.

The CONTAINERS clause cannot be used in queries on the REVENUE table. The REVENUE table must be a list-partitioned table. The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table. The MAPTABLE table is a metadata-linked table. A container map exists for the REVENUE table, but is not enabled. The REVENUE table partitions are not pruned across the PDBs automatically.

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.). The number of table rows is considered when evaluating the cost of accessing a table using an index. Index balanced B*Tree height is considered when evaluating the cost of using an index. The Statistics Advisor can help recommend the best way to gather statistics. Statistics collected using DBMS_STATS always yield the best optimizer result. The Statistics Advisor generates actions for all recommendations.

Which three are true about Oracle Grid Infrastructure for a Standalone Server?. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software. It creates one disk group during installation. It requires the operating system oracle_base environment variable to be predefined before installation. It requires Oracle ASM Filter Driver (ASMFD) to manage Automatic Storage Management (ASM) disks. It requires Oracle ASMLibto manage Automatic Storage Management (ASM) disks. Automatic Storage Management (ASM) requires that O/S groups OSASM and OSDBA be assigned as secondary groups for its installation owner.

Which three are true about Database Point-in-Time Recovery? (Choose three.). The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery. The database must be in MOUNT state when performing Database Point-in-Time Recovery. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP). The Database must be in ARCHIVELOG mode. The target point for the recovery must be specified as a stime or System Change Number (SCN). The database must be open RESETLOGS after Database Point-in-Time Recovery.

Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.). Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the dataabse be in the MOUNT state. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state. An Oracle database can be restored from backup files copied using O/S utilities. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

Which two are true about common objects? (Choose two.). They can be created only in CDB$ROOT. They can be only metadata-linked in an application container. They can exist in user-defined schemas only in application containers. They can exist in CDB$ROOT and an application root. They can be extended data-linked in CDB$ROOT. They can be created only in an application root.

Which two are true about SQL Performance Analyzer (SPA)? (Choose two.). It is integrated with the SQL Access Advisor. It predicts the impact of system changes on SQL workload response time. It provides before and after execution statistics for each SQL statement in the analysis task. It offers fine-grained analysis of all the SQL statements in the analysis task as a group. SQL statements that were originally run concurrently are run concurrently by SPA.

Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED. An application seed PDB is created for APP1. A default service is created for the application root APP1. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED. APP1 can never be unplugged.

Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.). It analyzes a period of time corresponding to the 12 hours of activity. It runs automatically after each AWR snapshot. A DBA can run it manually. Results are written to the alert log. It analyzes a period of time corresponding to the last day of activity.

Which three are true about monitoring waits for sessions and services? (Choose three.). V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

The USERS tablespace consists of data files 3 and 4 and must always be online in read/write mode. Which two are true about using RMAN to perform an open database back up of this tablespace? (Choose two.). Backups must be done incrementally. Backups must be contained in backup sets. Backups can be taken only if the database is in ARCHIVELOG mode. Backups can be done incrementally. The database must be registered in an RMAN catalog. Only consistent backups can be created.

Automatic Shared Memory Management is disabled for one of your database instances. Some SQL statements perform poorly due to excessive hard parse activity, thereby degrading performance. What would be your next step?. Run the SQL Access Advisor. Run the Memory Advisor for the shared pool. Run the SQL Tunning Advisor. Run the Memory Advisor for the Program Global Area. Run the Memory Advisor for the System Global Area.

Examine this command: $ rhpctl move database -sourcehome Oracle_home_path -destinationhome Oracle_home_path For which two purposes can you use this command? (Choose two.). to switch an existing Oracle Database home to a newer release of Oracle software on the same server. to switch to a read-only Oracle home. to switch back to the previous Oracle home as part of a rollback operation. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server. to switch to a patched Oracle Database home.

Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.). A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version. An existing Oracle base can be used. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure. Existing Oracle Database instances must be shut down before starting the upgrade. Only the grid user can perform the upgrade.

Your CDB has two regular PDBs as well as one application container with two application PDBs and an application seed No changes have been made to the standard PDB$SEED. How many default temporary tablespaces can be assigned in the CDB?. three. eight. seven. six. five.

A user complains about poor database performance. You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?. V$SESSION_EVENT. V$SESSTAT. V$SESSION_WAIT. V$SESSION_WAIT_CLASS. V$SESSION.

Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter. Add only the CREATE_FILE_DEST clause to the statement. Set only the PDB_FILE_NAME_CONVERT parameter. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF. Enable only OMF. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF).

Which two are true about RMAN duplexed backup sets? (Choose two.). A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.

Data file 24 can be recovered while PDB2 is opened. Data file 24 must be recovered while the CDB is opened. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened. Data file 24 cannot be recovered while the CDB is opened. Data file 24 must be recovered while PDB2 is closed.

Which three are true in Oracle 19c and later releases? (Choose three.). If the password file location changes, then the new location is used automatically by the Oracle Server. Schema Only accounts can be granted administrator privileges. All the Oracle-supplied accounts are Schema Only accounts. Privilege Analysis is included in Oracle Enterprise Edition and no longer requires Database. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user. Unified Auditing can be configured to audit only events that are issued directly by an audited user.

Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.). After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT. After the change, only one undo tablespace can exist in CDB$ROOT. After the change, any user with the required privilege can create an undo tablespace in the PDBs. Undo tablespaces existing in PDBs must be dropped before the change. After the change, each existing PDB has to be reopened for the new undo mode to take effect.

Which three are true about Automatic Workload Repository (AWR)? (Choose three.). By default, AWR snapshots are taken every 60 minutes. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter. By default, AWR snapshots are retained for 7 days. The taking of AWR snapshots can be disabled. AWR data is stored in the SYSTEM tablespace.

Which three are true about opatchauto? (Choose three.). It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process. It must be invoked by a user with root user privileges. Patches are applied via opatchauto. Users must always input patch plans to opatchauto. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked. It applies patches in nonrolling mode by default. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.

Which three methods can be used for heap table data migration after upgrading a database? (Choose three.). using Database Replay. using SQL Developer. using Oracle Data Pump. using operating system file copy utilities. using Database Upgrade Assistant. using the CREATE TABLE AS SELECT SQL statement.

Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.). It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used. It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used. A Virtual Private Catalog used to register a container database must be created in a pluggable database. A Virtual Private Catalog used to register a container database can be created in a pluggable database. it is always possible for RMAN to connect to a pluggable database as a target. A Virtual Private Catalog used to register a container database can be created in a non-container database.

Which two are true about Oracle instance recovery? (Choose three.). Recovery begins from the beginning of the CURRENT redo log group. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIV. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).

Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.). ADDM can recommend shrinking the buffer cache. ADDM can recommend extending the buffer cache. By default, MMON creates an AWR snapshot every 30 minutes. ADDM performs its analysis only when a DBA requests it. By default, AWR snapshots are automatically purged after eight days. AWR snapshots must be deleted when no longer required by ADDM.

Which two are true about server-generated alerts? (Choose two.). Stateful alerts must be created by a DBA after resolving the problem. Stateless alerts can be purged manually from the alert history. Stateless alerts can be cleared manually. Stateless alerts are automatically cleared. Stateful alerts are purged automatically from the alert history.

For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.). to specify a default tablespace in a PDB cloned from another PDB in the same CDB. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB. to include specific user tablespaces only when relocating a PDB. to specify the list of user tablespaces to include when moving a non-CDB to a PDB. to exclude a temp tablespace when plugging in a PDB. to specify the list of tablespaces to include when creating a PDB from the CDB seed.

Which three are true about an application container?. It must have an application root PDB. It can contain multiple applications. An application PDB can belong to multiple application containers. Two application containers can share an application seed PDB. It can contain a single application. It must have an application seed PDB.

Which three are true about Oracle instance recovery? (Choose three.). Recovery begins from the beginning of the CURRENT redo log group. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the database is opened. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT). Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.

Which two are true about automatic block repair? (Choose two.). Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING = TRUE. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases. It is not possible for media corrupt blocks. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.

Which three are true about the tools for diagnosing Oracle Database failure situations?. RMAN can always repair corrupt blocks. The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support. Flashback commands help with repairing physical errors. The ADR can store metadata in an Oracle Database repository. The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it. The Data Recovery Advisor uses the ADR.

Which three actions will add a resource to an Oracle Restart configuration?. Creating an Oracle Database service by modifying the SERVICE_NAMES parameter. Creating a database service using DBMS_SEVICE.CREATE_SERVICE. Creating a disk group using the CREATE DISKGROUP SQL statement. Creating a database service using Oracle Database Configuration Assistant (DBCA). Creating an Oracle Automatic Storage Management (ASM) instance with ASM Configuration Assistant (AMCA). Creating a database using the CREATE DATABASE statement.

Which three are true about recovery operations done without using Recovery Manager (RMAN)?. A lost SPFILE can be recovered from memory using SQL*PLUS. A lost index tablespace can be re-created without performing any recovery. A lost PFILE can be re-created from alert.log using SQL*PLUS. A lost password file can be re-created with SQL*PLUS. A lost TEMPFILE must always be re-created manually. A lost password file can be manually re-created with the orapwd utility.

Examine this configuration: 1. CDB1 is an Oracle Database 12c Release 2 container database (CDB). 2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1. After successfully performing all the pre-upgrade tasks, you execute these commands from the Oracle Database 18c environment: $ export ORACLE_SID=cdb1 $ sqlplus / as sysdba SQL> STARTUP UPGRADE; SQL> SHOW pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ------ ----------- ---------- ---------- 2 PDB$SEED MIGRATE YES 3 PDB1 MOUNTED YES 4 PDB2 MOUNTED YES SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN UPGRADE; Pluggable database altered. SQL> exit $ $ORACLE_HOME/perl/bin/perl catctl.pl -C 'PDB2' What is the outcome?. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded. It fails because PDB$SEED is in MIGRATE state. It fails because PDB2 is not in UPGRADE state. Only CDB$ROOT and PDB$SEED are upgraded. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.

Which three capabilities require the use of the RMAN recovery catalog?. Using the REPORT SCHEMA command to list a database’s data files and tablespaces at times in the past. Using the KEEP FOREVER clause with the BACKUP command. Using the REPORT SCHEMA command to list a database’s current data files and tablespaces. Creating customized reports about a single database’s backups. Using RMAN stored scripts. Creating encrypted backups.

Which two are true about backup set compression using RMAN default compression?. Unused blocks below the high water mark are backed up. Compressed backups cannot have a section size defined. Binary compression adds CPU overhead to backup operations. Compression can be done only for locally managed tablespaces. Compressed backups can be written only to media.

Which three are performed by Oracle Automatic Storage Management (ASM) instances?. Acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes. Acting as an I/O server to write data file block to ASM disks on behalf of Database Writer processes (DBWn). Mounting disk groups. Managing extent allocation for Oracle database segments. Managing space allocation for Oracle ASM files. Managing Allocation Units (AUs) for disk group content.

Which three are true about using Database Upgrade Assistant (DBUA) to upgrade a database?. A whole database backup must exist before upgrade. DBUA must be launched from the target Oracle Home. the Pre-Upgrade Information Tool script is executed by DBUA. All pluggable databases are automatically upgraded as part of a container database upgrade. Multiple databases with the same ORACLE_HOME can be upgraded simultaneously. The database must be opened in read-only mode.

Examine in this configuration: 1. CDB1 is a container database. 2. APP_ROOT is an application root in CDB1. 3. APP_PDB1 is an application PDB in APP_ROOT. 4. FLASHBACK DATABASE is ON . You execute these commands: $ sqlplus sys/oracle_4U@localhost:1521/cdb1 SQL> SELECT current_scn FROM v$database; CURRENT_SCN ----------- 2074756 SQL> CREATE TABLE cdb1_tab(c1 NUMBER); Table created. SQL> ALTER SESSION SET CONTAINER=app_root; Session altered. SQL> CREATE TABLE app_root_tab(c1 NUMBER); Table created. SQL> ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL> CREATE TABLE app_pdb1_tab(c1 NUMBER); Table created. SQL> conn / as sysdba Connected. SQL> ALTER PLUGGABLE DATABASE app_root close; Pluggable database altered. SQL> FLASHBACK PLUGGABLE DATABASE app_root TO SCN 2074756; Flashback complete. Which table or set of tables will exist after the Flashback operation has completed?. CDB1_TAB only. CDB1_TAB and APP_PDB1_TAB. none of the tables, because all three tables will be dropped. CDB1_TAB, APP_ROOT_TAB, and APP_PDB1_TAB. CDB1_TAB and APP_ROOT_TAB.

You issued this command : RMAN> BACKUP RECOVERY AREA FORCE; Which three are true?. All files in any previous FRA dead have not yet been backed up, are backed up. All Oracle recovery files normally written to the FRA and which have not yet been backed, are backed up. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up. All flies in the current FRA get have been backed up already, are backed up. All files in any previous FRA that have been backed up already, are backed up. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.

Which three are true about thresholds, metrics, and server-generated alerts?. A space usage management alert is automatically cleared after the underlying problem is resolved. They are generated by SMON when a tablespace is 97% full. Metrics are statistical counts for specific unit. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY. All metrics are instance related. STATISTICS_LEVEL must be set to ALL to generate alerts.

Which three are true about recovering tables using RMAN?. RMAN can recover tables in the SYSAUX tablespace. RMAN can recover tables owned by the SYS user. RMAN can recover tables owned by the SYSTEM user. RMAN can recover tables in a standby database. RMAN always use an auxiliary instance. RMAN can recover a table after a DDL operation has altered the table structure. RMAN can cover tables in the SYSTEM tablespace.

Which three are true about a whole database backup?. It can be inconsistent. It is the only possible backup type for a database in NOARCHIVELOG mode. It can consist of either backup sets or image copies. It always includes all data files, the current control file, the server parameter file, and archived redo logs. It can be consistent. It can be created only by using RMAN.

Which three are two about interpreting Recovery Manager (RMAN) error stacks returned to standard output?. Media Management errors appear as a line with "sbtio" and a number. Some messages in the error stack are not errors. If an RMAN command fails, the output will only identify the command that failed. Media Management errors appear as a line with "sbtio". Media Management errors appear as a line with "Additional information" and a number. If an RMAN command fails, the output will identify the channel ID where the failure occurred.

Which three are true in Oracle 19c in later releases?. Tablespaces always remain in read/write mode during transportable tablespace operations. Simultaneous data pump jobs can be limited at the pluggable database (PDB) level. A transportable data pump import can leave a plugged-in tablespace in read/write mode. An ordinary data pump export of a table with encrypted columns will always encrypt the same columns when imported. Tablespaces never remain in read/write mode during transportable tablespace operations. A transportable data pump import can leave a plugged-in tablespace in read-only mode.

Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment?. No AWR data is stored in the CDB$ROOT SYSAUX tablespace. AWR snapshots can be created in a PDB. AWR snapshots can be created in CDB$ROOT. All AWR data is stored in the CDB$ROOT SYSAUX tablespace. ADDM can run in a nonroot container. AWR reports can be generated while connected to any container.

Which three are true about block media recovery?. To use it, Flashback Database must be enabled. A block being recovered is not accessible. It cannot repair logical corruption. The data file containing the block being recovered remains online. It can be performed on noncorrupt blocks. The target database for which one or more blocks are to be recovered must be in the OPEN state.

Which two are true about the Program Global Area (PGA) and its management in an Oracle database instance?. Sorts and Hash Join use PGA memory. The private SQL area (UGA) is located in the System Global Area (SGA) when using shared servers. The entire PGA is located in the System Global Area (SGA) when using shared servers. PGA_AGGREGATE_LIMIT is a hard limit on the PGA size for any one session. The private SQL area (UGA) is located in the System Global Area (SGA) when using dedicated servers.

A database is configured in ARCHIVELOG mode. Full RMAN backups are taken daily and no backup to trace has been taken of the control file. A media failure has occurred. In which two scenarios is complete recovery possible?. after losing the SYSTEM tablespace. after losing an archived log from before the most recent backup. when any archived log from, before, or after the most recent backup is corrupt. after losing all copies of the control file. after losing an archived log from after the most recent backup.

Which two are true about Oracle Grid Infrastructure for a Standalone Server?. It must be installed before the Oracle database software is installed. It supports volume management, file system, and automatically restart capabilities. It can manage database resources on the server where it is installed or on a different server. It requires Oracle Automatic Storage Management (ASM) components to be installed separately. The CSS daemon runs from the Grid Infrastructure home.

Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c?. The response file can specify the root of sudo password. Silent install always runs operating scripts automatically. The installer will prompt for the root or sudo password. The response file can specify the path of the sudo program. The response file must contain the root or sudo password.

A schema owner truncated a table in error and must recover the data. Which Oracle Flashback feature could be used to recover the data?. FLASHBACK TABLE. FLASHBACK VERSION QUERY. FLASHBACK DATABASE. FLASHBACK TRANSACTION. FLASHBACK DATA ARCHIVE.

Which two at true about RMAN Multisection backups when a very large data file is divided into four sections?. The four sections must be image copies. Each of the file sections must be processed serially. The four sections must be contained in backup sets. The four sections can be created in parallel. The four sections can be created serially.

Which two are true about duplicating pluggable databases (PDBs) with RMAN?. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE. All tablespaces belonging to a PDB must be duplicated when duplicating the. CDB$ROOT and PDB$SEED are automatically duplicated if a PDB is duplicated. Two or more PDBS can be duplicated with the same RMAN DUPLICATE command. A user with SYSDBA or SYSBKUP must use RMAN logged into a PDB in order to duplicate it.

Which two are true about RMAN duplexed backup sets?. They can be written only to disk. They must be written to media. They can be written to media. They can be created only by using the COPIES option of a BACKUP command. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking backup.

Which two are true about RMAN backups when using a media manager?. By default, a request for a proxy copy may result in a backup set being created. A media manager is required to create RMAN proxy copies. A media manager is required to create RMAN image copies. A media manager always writes RMAN requested backups to tape. The media manager layer (MML) routines provided by Oracle support any vendors' media management products.

Which three are true about using Database Resource Manager in an Oracle multitenant environment?. A CDB-level resource plan is mandatory when using PDB-level resource plans. A CDB-level resource plan can limit session CPU utilization. A PDB-level resource plan can limit session PGA memory. PDB-level resource plans can limit uncommitted UNDO per consumer group. A CDB-level resource plan can limit PDB CPU utilization. A CDB-level resource plan can limit PDB UNDO use.

Which three are true about RMAN archival backups with the RESTORE POINT clause?. The ARCHIVAL attribute for a backup overrides the RMAN retention policy. They can optionally be written to a fast recovery area (FRA). The SPFILE is included in the archival backup. All archive logs are retained after an archival backup is taken, until the next archival backup is taken of the same database. They are never considered obsolete by RMAN. Use of a recovery catalog is always required to support the creation and use of archival. Archive logs are retained if they are necessary to allow the database to be recovered to a consistent state when an archival backup is restored.

In which two situations can you use Database Upgrade Assistant?. when the hardware platform needs to be changed as part of the upgrade. when the operating system (OS) needs to be changed as part of the upgrade. when the target and source database are on the same platform. when a character set conversion is required during the upgrade. when multiple pluggable databases in a container database have to be upgraded in a specific sequence.

Your container database, CDB1, is in local undo mode. You successfully execute this command while connected to CDB1: CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES=(CONNECT) CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1'; which three are true about PDB1?. It has the same number of roles as CDB1. It has only local roles. It has no local users. Service PDB1 is created for remote logins to PDB1. It is in mount state after creation. It has the same common users defined as does CDB1.

Which three resources are always shared among CDB$ROOT and pluggable databases (PDBs)?. the Process Monitor Process (PMON). undo tablespaces. SYSAUX tablespaces. the log writer process (LGWR). the data dictionary in CDB$ROOT. temporary tablespaces.

Q37. Which three at true about patchsets?. They can introduce new features. They are installed via OPatch or OPatchAuto. They can be applied in a rolling fashion for Clusterware and the databases. Installing a patchset is considered an "upgrade.". A base release is not needed to install patchsets. They are only released quarterly.

Q38. Which two are true about Optimizer Statistics?. By default, they are automatically gathered by a maintenance job. They provide real-time data about schema objects. They can be gathered by the DBMS_STATS package. They are gathered by the SQL Turning Advisor. They are ignored by Optimizer if they are stale.

Q39. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?. Space might be reclaimed proactively before space pressure occurs. Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA). Space is always reclaimed automatically when the retention period for Flashback logs is lowered. Space might be reclaimed automatically when the retention period for Flashback logs is lowered. Space is always reclaimed proactively before space pressure occurs.

Q40. Examine this configuration: 1. CDB1 and CDB2 are two container databases. 2. PDB1 is a pluggable database in CDB1. 3. PDB_C1_SRV is a service for PDB1. 4. CDB1_LINK is a database link in CDB2 referring to PDB1. 5. CDB2 is also an entry in tnsnames.ora pointing to the CDB2 database default service. You execute these commands successfully: $ sqlplus sys/oracle_4U@cdb2 as sysdba SQL> CREATE PLUGGABLE DATABASE PDB1 FROM PDB1@CDB1_LINK SERVICE_NAME_CONVERT=('PDB1_C1_SRV','PDB1_C2_SRV'); Which two are true?. PDB1_C2_SRV will be created but not started. PDB1_C1_SRV in CDB1 will be renamed PDB1_C2_SRV. PDB1 will be created in CDB2 and left in MOUNT state. PDB1_C2_SRV will be created and started automatically. PDB1 will be created in CDB2 and automatically opened.

Q41. Which three are true about the Oracle Optimizer?. It obeys all hints. It updates stale object statistics in the Data Dictionary. It can only use SQL Plan Directives tied to the SQL statement for which a plan is being generated. It can re-optimize execution plans after previous executions detect suboptimal plans. It considers object statistics when generating execution plans for SQL statements. It considers the filters in WHERE clauses when generating execution plans for SQL statements.

Q42. Which three are true about the FLASHBACK DATABASE feature?. FLASHBACK LOGS are archived after the log switch. It requires that the target database be in ARCHIVELOG mode. FLASHBACK DATABASE only uses FLASHBACK LOGS to get the database to the desired flashback time. It always generates REDO and UNDO. A database can be flashed back using SQL*PLUS. Queries and DML have the same FLASHBACK LOG overhead when flashback is enabled for a database.

The HR_ROOT Application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3. Which three are true?. The HR_ROOT replica must exist in the remote CDB. A database link must exist in the remote CDB referring to the local CDB. PDB3's application root replica must exist in the local CDB. A proxy PDB must exist in the application root in the remote CDB. A proxy PDB must exist in the application root in the local CDB. A database link must exist in the local CDB root referring to the remote CDB.

Which two are true about various Oracle security and auditing capabilities?. Application-common OLS policies can be created only if all the PDBs in the application container are closed. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container when they are updated. Unified auditing can be automatically synchronized to all application PDBs in an application container. Application-common TSDP policies are always container specific. Application-common Transparent Security Data Protection (TSDP) policies can be created only if all the PDBs in the application container are closed.

Which two are true about Oracle Database Configuration Assistant (DBCA)?. It can be used to convert a non-container database to a container database. It can be used to change the character set of an existing database. It can be used to create container databases and non-container databases. It can be launched from both the command line and the Universal Installer (OUI) interfaces. It can only be launched from the command line interface.

Q47. Which three are true about backing up the control file?. It can get backed up automatically as a binary copy. It can be backed up manual as a trace file containing SQL statements for control file re-creation. It gets backed up automatically by RMAN when the BACKUP SPFILE command is used. It cannot be backed up manually as a binary copy. It gets backed up automatically by RMAN as a trace file containing SQL statements for control file re-creation when a database backup occurs.

Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?. It is a set of recommendations by the optimizer to change the access methods used. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans. It is a set of recommendations by the optimizer to create new indexes.

Q50. Which two are true about Rapid Home Provision of Oracle Software?. It can be used for applications and middleware. It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart. It can be used for both Oracle Database and Oracle Grid Infrastructure, excluding Oracle Restart. It can be used for both Oracle Database and Oracle Grid Infrastructure, including Oracle Restart. It can be used only for Oracle Grid Infrastructure, including Oracle Restart.

Q51. In performance management, which two factors might reduce the ability of an application to scale to a larger number of users?. issuing multiple savepoints during a transaction. the number of data files containing extents belonging to tables updated by transaction. poorly written SQL. the number of tablespaces containing tables updated by a transaction. poorly trained users who do not commit transactions.

Q52. Examine this configuration: 1. CDB1 is a container database. 2. DEFAUTL_SHARING is METADATA. 3. APP_ROOT is an application root contained in CDB1. 4. APP_PDB1 is an application PDB contained in APP_ROOT 5. COMPANYAPP is an application contained in APP_ROOT 6. EMP is a common table created in APP_ROOT and all its application PDBs, created when version 1.0 of COMPANYAPP was installed. You execute these commands: $ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> ALTER SYSTEM SET DEFAULT_SHARING=DATA; System altered. SQL> ALTER SESSION SET CONTAINER=app_root; Session altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp BEGIN UPGRADE '1.0' TO '2.0'; Pluggable database altered. SQL> ALTER TABLE emp ADD (sal NUMBER NOT NULL); Table altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp END UPGRADE TO '2.0'; Pluggable database altered. SQL> ALTER SESSION SET CONTAINER=app_pdb1; Session altered. SQL> desc emp; Name Null? Type ---- ------ -------- ENO NUMBER ENAME VARCHAR2(20) SQL> SELECT * FROM emp; ENO ENAME ---- ------- 100 Alan 200 Ben SQL> ALTER PLUGGABLE DATABASE APPLICATION companyapp SYNC; What will be outcome and why?. It will return an error because the SYNC operation is now allowed when constraints are added to common objects. It will return an error because EMP.SAL is empty in APP_ROOT. SAL will be added to APP_PDB1.EMP, with NULLs in columns of existing rows. It will return an error because EMP is not empty in APP_ROOT. SAL will be added to APP_PDB1.EMP, with 0 in columns of existing rows.

Q53. Which three are true about configuring CONTROLFILE AUTOBACKUP by using RMAN?. The controlfile is backed up whenever a new tablespace is created. It requires the use of fast recovery area (FRA). The control file is backed up automatically each time the SPFILE is backed up manually. The control file is backed up whenever a new table is created. The server parameter file (SPFILE) is automatically backed up each time the control file is backed up. The control file is backed up whenever an RMAN backup is successfully recorded in the catalog.

Q54. You want to transport the UNIVERSITY tablespace from one database to another. The UNIVERSITY tablespace is currently open read/write. Examine this list of steps: 1. Make the UNIVERSITY tablespace read-only on the source system. 2. Export the UNIVERSITY tablespace metadata using EXPDP. 3. Create a cross-platform backup set from the UNIVERSITY tablespace on the source system, using an RMAN command that includes the DATAPUMP clause. 4. Copy the cross-platform backup sets to the destination system. 5. Copy the Data Pump dump set from the source to the destination system. 6. Restore the cross-platform backup set on the destination system using RMAN command that includes the DATAPUMP clause. 7. Import the UNIVERSITY tablespace metadata using IMPDP. 8. Make the UNIVERSITY tablespace read/write on the destination system. Which are the minimum number of steps required, in the correct order, to transport the UNIVERSITY tablespace?. 2,3,4,5,6,7. 3,4,6. 1,2,3,4,5,6,7,8. 1,3,4,6,8.

Q55. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?. general operating system health. database writer performance. SQL statements. log writer performance. database instance memory management and sizes.

Q56. Which three are true about Automatic Workload Repository (AWR) snapshots?. They are always created manually. They are generated if STATISTICS_LEVEL is set to TYPICAL. They are generated if STATISTICS_LEVEL is set to BASIC. They are generated if STATISTICS_LEVEL is set to ALL. They are always created automatically. They can be retained forever.

Q57. Which three are true about Rapid Home Provision of Oracle Software?. It can be used to create a single-instance Oracle Database in an already-installed Oracle home. It can be used to patch existing Oracle software installations. It can be used to upgrade only single-instance databases running on Oracle Restart. It can be used to create templates of Oracle homes as gold images of only Oracle databases. It can be used only on nodes with Oracle Grid Infrastructure installed. It can be used to deploy new homes without disrupting active databases.

Q58. Which three activities are possible for PDBs?. copying an application container into another application container in a different CDB. converting an application PDB to an application seed. converting an application PDB to a regular PDB. converting a regular PDB to an application PDB. converting an application seed to an application PDB. copying an application container into another application container in the same CDB. converting an application PDB to an application root.

Q59. Examine this configuration: 1. CDB1 is a container database. 2. APP1_ROOT is an application container contained in CDB1. 3. APP1_ROOT$SEED is the application seed contained in APP1_ROOT and synchronized with APP1_ROOT. 4. APP1_PDB1 and APP1_PDB2 are application PDBs contained in APP1_ROOT. 5. APP1_USER1_APP is an application installed in APP1_ROOT at version 1.0 6. USER1 is a common user in APP1_ROOT and all its application PDBs, created when version 1.0 of APP1_USER_APP was installed. You execute these commands: $ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> ALTER SESSION SET CONTAINER=app1_root; Session altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION app1_user1_app BEGIN UPGRADE '1.0' TO '2.0'; Pluggable database altered. SQL> GRANT CREATE SESSION TO USER1; Grant succeeded. SQL> ALTER PLUGGABLE DATABASE APPLICATION app1_user1_app END UPGRADE TO '2.0'; Pluggable database altered. SQL> ALTER SESSION SET CONTAINER=app1_pdb1; Session altered. SQL> ALTER PLUGGABLE DATABASE APPLICATION app1_user1_app SYNC; Pluggable database altered. Which two are true?. USER1 can connect only to APP1_ROOT. USER1 can connect to CDB1. USER1 can connect only to APP1_PDB1. USER1 is defined in APP1_PDB2. USER1 can connect to APP1_ROOT, APP1_ROOT$SEED, and APP1_PDB1. USER1 can connect to APP1_ROOT and APP1_PDB1.

Q60. Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PDB) starting from Oracle 19c. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database. automatically dropping the database link to the remote database if it already exists. creating a database link from CDB$ROOT in the remote database to the PDB in the local database. opening the cloned PDB. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned. creating a new empty PDB in the local database from PDB$SEED. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned.

Q61. Which two are true about Oracle instance recovery?. Recovery begins from the beginning of the CURRENT redo log group. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the database is opened. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT). Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.

Q62. Which two are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.). It analyzes a period of time corresponding to the 12 hours of activity. It runs automatically after each AWR snapshot. A DBA can run it manually. Results are written to the alert log. It analyzes a period of time corresponding to the last day of activity.

Q63. Which three are true about Rapid Home Provisioning (RHP), which has been available since Oracle 18c? (Choose three.). It cannot be used to provision applications. It is an Oracle Database service. It can be used to deploy Oracle Database homes. It cannot be used to provision middleware. It can be used to deploy Grid Infrastructure homes, including Oracle Restart. It is an Oracle Grid Infrastructure service.

Q64. HR_ROOT is an application container with the HR_APP application installed. No application PDBs and no application seed have yet been created in HR_ROOT. An application PDB, PDB1, must be created so that the HR_APP application's common objects are accessible to it. Which two methods can be used?. Create the PDB1 application PDB and install HR_APP in it. Create the PDB1 application PDB and synchronized it with HR_ROOT. Create an application seed, and install HR_APP in it. Create the PDB1 application PDB and synchronize it with PDB$SEED. Create an application seed, synchronized it with HR_ROOT, and then create the PDB1 application PDB.

Q65. Which three are two about upgrading an application in an application container?. The upgrade must be performed when connected to CDB$ROOT. An application name and version number must be specified to upgrade the application. After an application upgrade, the application container’s PDBs remain synchronized with the existing application root. After an application upgrade, the application container’s PDBs are automatically synchronized with the application root clone. The upgrade can be performed when connected either to CDB$ROOT or to PDB$SEED. An application root clone gets created automatically.

Which three are true about SGA memory management in a multitenant database?. SGA_MIN_SIZE cannot be set for a PDB. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB. The SGA_TARGET setting for a PDB cannot exceed 50% of the SGA_TARGET value of the root container. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB. The SHARED_POOL_SIZE setting for a PDB can be up to 80% of the SHARED_POOL_SIZE setting of the root container.

Q68. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?. The target PDB must be registered in a base catalog. The base catalog must be enabled for Virtual Private Catalog use. The base catalog must be enabled by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog. The target PDB must be registered in a Virtual Private Catalog. The target PDB must be registered in both the base catalog and the Virtual Private Catalog. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

Q69. Examine this configuration: 1. CDB1 is a container database. 2. COMMON_USER_PREFIX is set to empty string. 3. PDB1 is a pluggable database in CDB1. 4. APP1_ROOT is an application container in CDB1. 5. APP1_PDB1 is an application PDB in APP1_ROOT. You execute these commands: $ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba SQL> CREATE ROLE role1 CONTAINER=CURRENT; Which is true?. It will return an error because creation of a local role is not allowed in CDB$ROOT. ROLE1 will be created only in CDB$ROOT and APP1_ROOT. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1. ROLE1 will be created only in CDB$ROOT. It will return an error because common roles must start with c##.

Q71. Which two are true about memory advisors?. If Automatic Shared Memory Management is enabled, both the SGA Advisor and PGA Advisor are always available. If Automatic Memory Management is enabled, no memory advisors are available. If Automatic Memory Management is enabled, the Shared Pool Advisor and Buffer Cache Advisor are available to set the maximum size for these individual System Global Area components. If Manual Shared Memory Management is enabled, only the Shared Pool Advisor and Buffer Cache Advisor are available. All memory advisors use data from Automatic Workload Repository.

Q72. How do you configure a CDB for local undo mode?. Open the CDB instance in upgrade mode. In CDB$ROOT, execute ALTER DATBASE LOCAL UNDO ON, and then restart the CDB instance. Open the CDB in read-only mode. In CDB$ROOT, execute ALTER DATBASE LOCAL UNDO ON, and then change the CDB to read/write mode. Open the CDB instance in upgrade mode. In each PDB, execute ALTER DATABASE LOCAL UNDO ON, create an UNDO tablespace, and then restart the CDB instance. Open the CDB instance in restricted mode. In CDB$ROOT, drop the UNDO tablespace. Execute ALTER DATABASE LOCAL UNDO ON in each PDB, and restart the CDB instance. Open the CDB instance in restricted mode. In CDB$ROOT, execute ALTER DATABASE LOCAL UNDO ON, create UNDO tablespace in each PDB, then restart CDB instance.

Q73. Which two are true about creating RMAN backups for an Oracle container database?. Control file backups can be created while connected to a nonroot container. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT. Control file backups can be created while connected to the root container. Online Redo Log backups can be created while connected to the root container. Archived Redo Log backups can be created while connected to an application root CDB.

Q74. Which three are true about cloning databases into an existing CDB with RMAN?. The target and auxiliary instance passwords must be the same. Only one PDB can be cloned at a time. A user with SYSDBA or SYSBKUP must be logged in with RMAN to CDB$ROOT when cloning a PDB. A non-CDB can be cloned into a PDB. Two or more PDBs can be cloned with the same command. A user with SYSDBA or SYSBKUP must be logged in with RMAN to the non-CDB being cloned when cloning a non-CDB.

Q75. Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?. They can create any table. They can drop any tablespace. They can view data from any user-defined tables. They can view data from any data dictionary view or dynamic performance view. They cannot drop tablespaces. They cannot create restore points.

Q77. PDB1 and PDB2 are pluggable databases in CDB1. Examine these commands: $ export ORACLE_SID=CDB1 $ sqlplus / as sysdba SQL> STARTUP … Database opened. SQL> SHOW PDBS CON_ID CON_NAME OPEN MODE RESTRICTED ------ ----------- ---------- ---------- 2 PDB$SEED READ ONLY NO 3 PDB1 MOUNTED 4 PDB2 MOUNTED SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE pdb2 OPEN; Pluggable database altered. CDB1 is then restarted. Which three are true?. PDB$SEED will be opened READ ONLY. PDB$SEED will be MOUNTED. PDB1 will be MOUNTED. PDB2 will be MOUNTED. PDB2 will be opened READ WRITE. PDB1 will be opened READ WRITE.

You plan perform cross-platform PDB transport using XTTS. Which two are true?. The source PDB can be in MOUNT or OPEN state. The source PDB must be in MOUNT state. A backup of the PDB must exist, taken using the BACKUP command with the TO PLATFORM clause. The source and target platforms must have the same endianness. Automatic conversion of endianness occurs. The source PDB must not be an application root.

Q80. Some archived log backups have been accidentally deleted from storage. Which two command should be used to update the status of backups in the recovery catalog to display only the missing backups?. LIST ARCHIVELOG. LIST EXPIRED. CROSSCHECK BACKUP OF ARCHIVELOG ALL. REPORT OBSOLETE. LIST ARCHIVELOG ALL. RESYNCE CATALOG.

Q81. Which two are true about backup encryption?. Keystore-based encryption is the default mode for RMAN backup encryption. Backup encryption can be enabled selectively for specific tablespaces. The BACKUP BACKUPSET command can encrypt and decrypt backup sets. The Transparent Data Encryption (TDE) keystore is backed up using RMAN. Vendor-specific media management software can be used for making encrypted RMAN backups to media. Image copies can be encrypted.

Q82. Which are the three steps in the SQL tuning process for Oracle Database environments?. Identify poorly tuned SQL statements using the SQL Tuning Advisor. Test the application as a whole using tuned SQL statements. Tune SQL statements as a group using SQL Tuning and SQL Access Advisors. Test tuned SQL statements one at a time for all statements in the application. Identify poorly tuned SQL statements using Automatic Database Diagnostic Monitor. Tune individual SQL statements using SQL Tuning Advisor.

Q83. You want to install Oracle Grid Infrastructure for a Standalone Server using Oracle Universal Installer (OUI). There is no existing Oracle installation on the server. Which two are prerequisites?. A group called dba. The installation of Oracle ASMLIB. An operating system user to own this installation. An operating system account called grid. The Oracle Inventory group oinstall.