A server in a LAN was configured to act as a gateway between all company computers and an external network. Which of the following networking devices offers the ability to increase both performance and security? Load balancer IDS Proxy server Wireless controller.
A technician is setting up VoIP phones on a wireless network. Users report that calls are choppy and sometimes dropped. The technician has measured two characteristics using simple command-line tools that verify the problem. Which of the following characteristics did the technician measure? (Choose two.) Reflection Latency Interference Packet loss Signal-to-noise ratio Attenuation.
Which of the following ports should a network technician open on a firewall to back up the configuration and operating system files of a router to a remote server using the FASTEST method possible? UDP port 22 TCP port 22 TCP port 25 UDP port 53 UDP port 69.
A technician is replacing a failed SOHO router for a customer who has an existing switch, cable modem, and static IP address. The user has a web server that faces the Internet so users can visit and leave comments. Which of the following BEST describes the correct configuration for this customer’s requirements? The modem is placed in bridge mode, the router is placed behind the modem, and the web server is placed behind the router. The router is placed in bridge mode, the modem is placed behind the router, and the web server is placed behind the modem. The web server is placed in bridge mode, the router is placed behind the web server, and the modem is placed behind the router. The switch is placed in bridge mode, the modem is placed behind the router, and the router is placed behind the modem.
A network technician is attempting to troubleshoot a connectivity issue. The issue is only reported during the evening hours, and only a single workstation loses connectivity. Which of the following is the MOST likely cause of the issue? The router has a time-based ACL, applied for the network segment. A light source is creating EMI interference, affecting the UTP cabling. Nightly backups are consuming excessive bandwidth. The user has violated the AUP, and Internet access has been restricted.
A network administrator is redesigning network security after an attack. During the attack, an attacker used open cubicle locations to attach devices to the network. The administrator wants to be able to monitor future attacks in a safe environment and determine the method of attack. Which of the following should the administrator do to BEST meet this requirement? Create a VLAN for the unused ports and create a honeyspot on the VLAN. Install a BPDU guard on switchports and enable STP. Create a DMZ for public servers and secure a segment for the internal network. Install antivirus software and set an ACL on the servers.
A company has just refreshed the hardware in its datacenter with new 10G Ethernet switches. A technician wishes to set up a new storage area network but must use existing infrastructure. Which of the following storage standards should the technician use? iSCSI Fibre Channel NAS InfiniBand.
A network technician needs to install a new access switch. After installing the new switch, the technician begins to move connections from the old switch to the new switch. The old switch used a GBIC with SC connectors, and the new switch uses an SFP with LC connectors. After connecting the SC connector to the SC- to-LC adapter and plugging it into the switch, the link does not come up as expected. Which of the following should a network technician perform NEXT? Replace SFP with a new one. Fall back to the old switch Transpose the fiber pairs. Replace multimode with single-mode cable.
A network technician is installing a new SOHO branch office that requires the use of a DOCSIS-compatible modem. The modem needs to be connected to the ISP’s network at the de marc. Which of the following cable types should be used? UTP Multimode Coaxial Serial.
A technician needs to order cable that meets 10GBaseT and fire safety requirements for an installation between a drop ceiling and a standard ceiling. Which of the following should the technician order to ensure compliance with the requirements? PVC Cat 5 Plenum Cat 5e Plenum Cat 6a PVC Cat 7.
Which of the following physical security devices is used to detect unauthorized server room access? Access badge Biometrics Smart card Video surveillance.
A network technician recently installed a new server on a network. The technician must ensure the server does not have any unnecessary services running. The IP address of the server is 204.211.38.50. Which of the following commands would allow the technician to make this determination? nmap pathping route nslookup.
Joe, an employee at a large regional bank, wants to receive company email on his personal smartphone and tablet. To authenticate on the mail server, he must first install a custom security application on those mobile devices. Which of the following policies would BEST enforce this requirement? Incident response policy BYOD policy DLP policy Remote access policy.
A technician is allocating the IP address space needed for a new remote office. This office will contain the engineering staff with six employees and the digital marketing staff with 55 employees. The technician has decided to allocate the 192.168.1.0/24 block to the remote office. The engineering staff has been allocated the 192.168.1.64/29 subnet. Using the LEAST amount of space possible, which of the following would be the last usable IP address in the engineering subnet? 192.168.1.62 192.168.1.63 192.168.1.70 192 168 1 71.
An administrator is troubleshooting a user’s intermittent wireless connectivity issue. Other users across the hallway can connect and use the wireless network properly. Upon inspection of the connection details, the administrator finds the following:
Which of the following is MOST likely the cause of the poor wireless connection? Channel overlap Overcapacity Incorrect antenna type Latency.
A VoIP system will require 23 concurrent voice channels and one signaling channel. Which of the following types of WAN service would provide the BEST connectivity to the PSTN? PRI BRI E1/E3 DSL.
A network administrator is going to be performing a major upgrade to the network. Which of the following should the administrator use in case of a failure? Baseline report Vulnerability report Rollback plan Business continuity plan.
A web application is unable to authenticate customers so they can access their bills. The server administrator has tested the LDAP query but is not receiving results. Which of the following is the NEXT step the server administrator should take to correct the problem? Check port 636 to see if it is being blocked. Change service port 636 to port 389. Restart the web server. Verify the browser is using port 443.
Which of the following is networking stand-alone hardware that will permit any WiFi-compliant device to connect to a wired network? Wireless hub Wireless firewall Wireless access point Wireless bridge.
Which of the following devices are MOST often responsible for 802.1q tagging? (Choose two.) Switch Router IDS Hub IPS Network tap.
A network technician is installing a new wireless network in a small office. Due to environmental concerns, the customer wants the network to run exclusively on the 5GHz frequency. Which of the following wireless technologies should the technician install to BEST meet this requirement? (Choose two.) 802.11ac 802.11b 802.11g 802.11n Bluetooth Z-Wave.
Which of the following concepts would BEST describe when a company chooses to use a third-party vendor to host and administer a critical application? SaaS IaaS PaaS CASB.
A content filter is set to analyze XML and JSON that users access from the Internet. At which of the following layers is this analysis taking place? 1 3 5 7 6.
Ann, a new employee within a department, cannot print to any of the printers in the department or access any of the resources that others can. However, she can access the Internet. The network engineer has confirmed that Ann’s account has been set up the same as the others. There are no access lists restricting Ann’s access. Which of the following could be the issue for this lack of access? Duplex/speed mismatch VLAN mismatch DNS server issue DHCP server issue Spanning tree blocked ports.
A technician is configuring a printer for a client. The technician connects the printer to the network, but is unsure how to determine its switchport. Which of the following should the technician do FIRST to locate the switchport? Perform a DNS lookup on the server. Set up an SSH session to the desktop. Reference the ARP table in the router. Configure port security on the switch.
A router is set up to utilize RIPv2 to route traffic throughout the network. Which of the following routing metrics is used to determine the path? Distance Bandwidth Speed Hop count.
A second router was installed on a network to be used as a backup for the primary router that works as a gateway. The infrastructure team does not want to change the IP address of the gateway on the devices. Which of the following network components should be used in this scenario? Loopback IP Virtual IP Reserved IP Public IP.
Which of the following can be done to implement network device hardening? (Choose two.) Implement spanning tree Perform VLAN hopping Patch and update Perform backups Enable port mirroring Change default admin password.
A critical vulnerability is discovered on a network device. The vendor states it has already patched this vulnerability in its current release. Which of the following actions should an administrator take? Change the default password Use a firewall in front of the device. Update the firmware. Upgrade the configuration.
A technician has been alerted of incoming HTTP traffic on the LAN segment that should not contain any web servers. The technician has the IP address of the destination host and wants to determine if the socket for HTTP is open. Which of the following should the technician perform? Baseline assessment Packet analysis Port scan Patch-level assessment.
Which of the following creates a secure remote connection at the OSI network layer? L2TP SSL DTLS IPSec.
A network technician has salvaged several Ethernet cables from a datacenter. The technician attempts to use the cables to connect desktops to the network without success. Which of the following is MOST likely the issue? The cables have an incorrect pin-out. The cables are UTP instead of STP. The cables are Cat 6 instead of Cat 5. The cables are not plenum rated.
A company decides to deploy customer-facing, touch-screen kiosks. The kiosks appear to have several open source service ports that could potentially become compromised. Which of the following is the MOST effective way to protect the kiosks? Install an IDS to monitor all traffic to and from the kiosks. Install honeypots on the network to detect and analyze potential kiosk attacks before they occur. Enable switchport security on the ports to which the kiosks are connected to prevent network-level attacks. Create a new network segment with ACLs, limiting kiosks’ traffic with the internal network.
While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting? dig iptables ifconfig traceroute.
A network administrator has had difficulty keeping track of IP address assignments on networking devices and clients recently. Which of the following is the BEST technology to aid in this scenario? DNS DHCP IPAM NTP.
A technician is surveying a college’s network equipment rooms and connectivity. Which of the following types of documentation does the technician need to perform a detailed site survey? (Choose three.) IDF/MDF documentation. Cable run label documentation. Network configuration documentation. Performance baseline documentation. Standard operating procedure documentation. Change management documentation. Rack diagram documentation.
A technician is connecting a PC to a switchport. At the wiring closet, the technician is unable to identify which cable goes from patch panel A connected to the switch to patch panel B connected to the PC. Which of the following tools should the technician use to resolve the issue? Cable tester Multimeter Tone generator OTDR.
A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to the wireless network. Which of the following must be configured to implement this solution? EAP-PEAP CCMP-AES WPA2-PSK TKIP-RC4.
Which of the following protocols are classified as connectionless? (Choose two.) TFTP FTP HTTP SNMP SSH IMAP.
Users in a school lab are reporting slow connections to the servers and the Internet. Other users in the school have no issues. The lab has 25 computers and is connected with a single 1Gb Ethernet connection on Cat 5e wiring to an unmanaged switch. There are also three spare Cat 5e cable runs, which are not in use. The school wants to double the connection speed between the lab and the servers without running new cables. Which of the following would be the BEST solution? Plug in a second spare cable at each end to double the speed. Replace the switches with ones that utilize port bonding and use the spare cables. Replace the switches with 10Gb switches and utilize the existing cabling. Plug in a second cable and set one port to TX and one port to RX.
A technician is downloading an ISO from a vendor’s website. To ensure the integrity of the download, which of the following should be verified? File size Vendor URL File hashing Encryption.
An administrator wants to implement an additional authentication factor to the remote SSH servers. Which of the following accomplishes this goal with the principle of “something you have� Certificate Pattern Password Fingerprint.
A junior technician is setting up a voice control device so the Chief Executive Officer (CEO) will be able to control various things in the office. Of which of the following types of IoT technologies is this an example? LAN WAN SAN PAN.
Users on a LAN segment are reporting a loss of connectivity to network services. The client PCs have been assigned with 169.254.X.X IP addresses. Which of the following IP address schemas is being utilized? Private IP Static IP APIPA Loopback.
A network administrator has created a new VLAN for the server and clients within the accounting department and wants to outline how it integrates with the existing network. Which of the following should the administrator create? Logical diagram Physical diagram Rack diagram Configuration diagram.
Which of the following would indicate that a circuit speed should be increased? Low latency Low bandwidth consumption High number of SIEM alerts High packet drops.
A technician has installed an older IP camera as a temporary replacement for a recently failed newer one. The technician notices that when the camera’s video stream is off, the ping roundtrip time between the camera and the network DVR is consistently less than 1ms without dropped packets. When the camera video stream is turned on, the ping roundtrip time increases dramatically, and network communication is slow and inconsistent. Which of the following is MOST likely the issue in this scenario? VLAN mismatch Duplex mismatch Cat 6 RX/TX reversed Damaged cable.
Wireless users have been experiencing connectivity problems. Investigation shows neighboring wireless appliances, which are not connected to the network, have been on the same 5GHz frequency to communicate. Which of the following wireless performance problem concepts defines this issue? Interference Distance limitation Signal-to-noise ratio Absorption.
Which of the following BEST explains the purpose of signature management as a mitigation technique? Hardening devices Segmenting the network Detecting malicious activity Restricting user credentials.
A network technician installs a web server on the firewall. Which of the following methods should the technician implement to allow access to outside users without giving access to the inside network? VLAN DMZ SNMP NTP.
A Chief Information Officer (CIO) tasks the network engineer with protecting the network from outside attacks. Placing which of the following devices on the network perimeter would provide the MOST security for the system? Firewall NGFW Content filter IDS/IPS.
Management has requested that a wireless solution be installed at a new office. Which of the following is the FIRST thing the network technician should do? Order equipment Create network diagrams Perform a site survey Create an SSID.
A technician has deployed an additional DHCP server for redundancy. Clients in certain subnets are not receiving DHCP leases from the new DHCP server. Which of the following is the MOST likely cause? The new DHCP server’s IP address was not added to the router’s IP helper list. The new DHCP server is not receiving the requests from the clients. The ARP cache of the new DHCP server needs to be updated. The ARP table on the router needs to be cleared.
Greater bandwidth and availability are required between two switches. Each switch has multiple 100Mb Ethernet ports available. Which of the following should a technician implement to help achieve these requirements? Spanning tree Clustering Power management Port aggregation.
A technician is configuring a new server with an IP address of 10.35.113.47 on the 10.35.112.0 subnet to allow for the maximum number of hosts. When configuring network settings, which of the following is the correct subnet mask? 10.35.112.0/30 10.35.112.0/24 255.255.240.0 255.255.248.0 255.255.255.0.
Ann, a customer, recently upgraded her SOHO Internet to gigabit fiber from cable. She was previously getting speeds around 75Mbps down and 25Mbps up. After the upgrade, Ann runs a speed test on her desktop and gets results of 1000Mbps down and 100Mbps up. A technician connects directly to the router and sees the correct 1000Mbps speeds. Which of the following is MOST likely the cause? (Choose two.) All ports should be configured for full duplex. There is a 10/100 switch on the network. The connections are using Cat 5 cable The connections are using Cat 6 cable. There is a transceiver mismatch at the fiber termination point. Signal attenuation on the new fiber has reached the upper limits.
A user reports intermittent performance issues on a segment of the network. According to the troubleshooting methodology, which of the following steps should the technician do NEXT after collecting initial information from the customer? Document findings, actions, and outcomes. Establish a theory of probable cause. Establish a plan of action to resolve the problem. Duplicate the problem, if possible.
Which of the following protocols is associated with a three-way handshake? UDP ICMP GRE TCP.
Which of the following would a company place at the edge of its network if it wants to view and control which Internet applications are being used? VPN concentrator NGFW IDS/IPS Proxy server.
A technician wants to physically connect two office buildings’ networks. The office buildings are located 600ft (183m) apart. Which of the following cable types is the BEST choice? Cat 5e Cat 6a Multimode Coaxial.
A network engineer at a multinational company is asked to purchase mobile phones for senior executives who often travel internationally. The executives want their phones to work with wireless carriers in multiple countries when they travel. Which of the following cellular standards should these new phones support? GSM TDM CDMA PSTN.
DRAG DROP -
You are tasked with creating a network that will accomplish the following requirements.
Requirements:
-> The remote Sales Team must be able to connect to the corporate network.
-> Each department must have ONLY two PCs and a server.
-> Each department must be segmented from each other.
-> The following VLANs have been designed:
-> VLAN 2 â€" Finance
-> VLAN 12 â€" Sales
-> VLAN 22 â€" Human Resources (HR)
-> Routing for VLAN 12 is implemented on the router. Routing for VLAN 2 and VLAN 22 is on the switch.
Instructions -
Complete the network by dragging the required objects onto the diagram.
Objects can be used multiple times and not all placeholders need to be filled.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Select and Place:
1 2 3 4 5 6 7 8 9 10.
Which of the following should a network administrator use to configure Layer 3 routes? (Choose two.) Multilayer switch Firewall Hub Bridge Modem Media converter.
While logged into a financial application, a user gets errors when trying to write to the database. The network administrator is not familiar with the application and how it communicates with the database. Which of the following documentation types should the network administrator use to troubleshoot the data flow? Logical diagram Physical diagram Network baseline Change management log.
Joe, a network engineer, is attempting to install wireless in a large work area. He installs the access point in the middle of the work space. When testing, he notices a -60dB reading on one side of the room and a -92dB reading on the other side. Which of the following is MOST likely the issue? External interference Distance limitations Channel overlap Incorrect antenna type.
A network technician wants to address PCs on a subnet with IPv6 in addition to IPv4. The subnet currently uses a DHCP server that only supports IPv4. Which of the following should the technician use to assign IPv6 addresses automatically without DHCP? APIPA MAC reservations EUI-64 IPv4 to IPv6 tunnel.
A technician is establishing connectivity through a VPN for remote server access. Which of the following protocols should be utilized to configure this VPN connection securely? IPSec IGRP L2TP PPTP.
A network technician receives a request for a disaster recovery solution. Management has requested no downtime in the event of a disaster. Which of the following disaster recovery solutions is the appropriate choice? Hot site Business continuity File backups Virtual snapshot.
A network technician receives a new firmware update for a network device. The technician wants to ensure the file has not been tampered with. Which of the following techniques should the technician use to ensure the integrity of the file? Cyclic redundancy check System integrity check Hash comparison Root guard.
An AP is configured to authenticate clients by using their Active Directory username and password. The AP uses UDP to connect to the authentication service, which then queries Active Directory. Which of the following authentication services is being used by the AP in this scenario? RADIUS TACACS+ LDAP Kerberos.
Which of the following should be configured on the network to achieve performance for the FCoE storage traffic? PoE DHCP snooping Jumbo frames Virtual IP.
A network administrator wants to narrow the scope of a subnet to two usable IP addresses within a class C network. Which of the following is the correct CIDR notation? 10.10.50.0/30 172.16.20.0/30 192.1.0.124/30 192.168.0.192/24 192.170.10.0/24.
A network technician notices that most of the nodes in the 10.10.74.0/23 address space return either 1 or 2 node hop after running a tracert; however, some of the new servers are showing a hop count larger than 10. Which of the following is the MOST likely reason for this? New servers are being provisioned in the cloud. Those servers have host-based firewalls Some of the servers are configured to use different gateways. Part of the subnet is configured to use different VLANs.
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