Estudos HCIA BRBR4

What is the first operation performed by the FIT AP after obtaining the AC's IP address?. Upgrade software version. Download the configuration file. Establish CAPWAP tunnel. Request configuration file.

How many types of data flows with different service levels can be marked based on MPLS labels?. 4. 2. 16. 8.

Which of the following functions does the LCP protocol in the PPP protocol support? ( Multiple Choice). Negotiate network layer address. Negotiate authentication agreement. Detect link loops. Negotiate the maximum receiving unit MRU.

The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. True. False.

The network devices running the SNMP protocol are running locally-an agent process. True. False.

Which extension headers are supported by IPv6 packets? (Multiple choice). Destination option extension header. Fragmentation extension header. Hop-by-hop option extension header. VLAN extension header.

Which of the following are not open interfaces of Huawei network equipment? (Multiple choice). NETCONF. RESTCONF. JSON. XML.

Which of the following are not the characteristics of a small-sized campus network?. Simple network level. Fewer users. Simple network requirements. Wide coverage.

Which statement are correct about the shortcut keys of the VRP operating platform? (Multiple choice). TAB prompts the most recently entered command. CTRL+C to stop the current command. The left cursor key (<) moves the cursor to the left position. CTRL+Z back to user view.

Which of the following information prompts will the VRP operating platform use for incomplete input commands?. Error :Ambiguous command found at' position. Error :Incomplete command found at' position. Error: Too many parameters found at' position. Error: Wrong parameter found at 'position.

As shown in the figure below, which port of the following switches will be blocked?. SWC G0/0/1. SWC G0/0/2. SWB G0/0/3. SWA G0/0/3.

In the network shown in the figure, which of the following description is correct?. The network between RTA and SWC is the same conflict domain. The network between SWA and SWC is the same conflict domain. The network between SWA and SWB is the same broadcast domain. The network between SWA and SWC is the same broadcast domain.

The output information of a switch is shown in the figure. Which of the following statements is correct? (Multiple choice). The GE0/0/2 port of the switch carries VLAN TAG when sending VLAN20 data frames. The user manually created 4 VLANs. The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN20 data frames. The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN10 data frames.

As shown in the figure, if host A has the ARP cache of host B, host A can ping host B. True. False.

By default, what is the STP Forward Delay time in seconds?. 5. 10. 15. 20.

The G0/0/1 interface configuration information of router A is shown in the figure. Which of the following statements is correct? (Multiple choice). This interface will not forward received FTP packets. This interface will not forward ICMP packets. This interface will not forward received SNMP packets. This interface can establish OSPF neighbor relationships with other routers.

To apply the ACL configured in the figure in Telnet, which of the following statements is correct?. The device with IP address 172.16.105.4 can use Telnet service. The device with IP address 172.16.105.3 can use Telnet service. The device with IP address 172.16.105.5 can use Telnet service. The device with IP address 172.16.105.6 can use Telnet service.

Which of the following fields is not included in the HELLO packet of the OSPF protocol?. Neighbor. Network Mask. HelloInterval. Sysname.

All interfaces of the router belong to the same broadcast domain. True. False.

The host's IPv4 address is 200.200.200.201/30. Which of the following hosts has an IPv4 address and its communication does not need to be forwarded by a router?. 200.200.200.202. 200.200.200.200. 200.200.200.203. 200.200.200.1.

Among the following commands to configure the default route, which one is correct?. [Huawei-Seria10] ip route-static 0.0.0.0 0.0.0.0 0.0.0.0. [Huawei] ip route-static 0.0.0.0 0.0.0.0 192.168.1.1. [Huawei] ip route-static 0.0.0.0 0.0.0.0 0.0.0.0. 200.200.200.1[Huawei] ip route-static 0.0.0.0 255.255.255.255 192.168.1.1.

If the network address of a network is 192.168.1.0, then its broadcast address must be 192.168.1.255. True. False.

On Huawei AR G3 routers, what is the -i parameter of the Ping command in VRP used to set?. The destination IP address of the Echo Reply message. The source IP address of the Echo Request message. Interface for receiving Echo Reply messages. Interface for sending Echo Request messages.

If the Proto of a route information in the routing table is OSPF, the priority of this route must be 10. True. False.

In the switch MAC address table, which of the following entries will not age?. Dynamic MAC address table entry. Static MAC address table entry. Port MAC address table entry. Device MAC address table entry.

What is the transmission rate of an Eth-Trunk port in manual link aggregation mode related to? (Multiple choice). Number of member ports. Bandwidth of member ports. If an IP address is configured on the member port. If the member port is on the public or private network.

What is the role of the command port trunk allow pass vlan all?. If the port default vlan 3 command is configured for the connected remote device, VLAN 3 cannot communicate between the two devices. All VLAN data frames are allowed to pass through this port. The connected peer device can dynamically determine which VLAN IDs are allowed to pass. The opposite port connected to the port must be configured with port trunk permit vlan all.

Hybrid port can be connected to user host and other switches. True. False.

In which working state of the STP protocol can the port be changed to the Forwarding state without going through other states?. Blocking. Learning. Listening. Disabled.

Switches running SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be transformed into the Forwarding state. True. False.

In order to realize the network layer function on VLANIF interface, what need to be configured on VLANIF interface? (Multiple choice). MAC address. Subnet mask. IP prefix. IP address.

As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. True. False.

A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons? (Multiple choice). The address pool of the DHCP server has all been allocated. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 169.254 0.0. There is another DHCP server in the network that works more efficiently. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0.

On the AC, you can manually specify the source address or source interface of the CAPWAP tunnel. True. False.

AC uses CAPWAP control tunnel to transmit management messages to FIT AP. True. False.

What is the coverage area of an AP in WLAN?. BSS. SSID. BSSID. ESS.

FIT AP can work independently without relying on AC. True. False.

In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message sent by the AP, the AC will check the validity of the AP. Which of the following is the authentication method supported by the AC? (Multiple choice). SN certification. Password authentication. MAC authentication. Not certified.

Which of the following statements about the S field in the MPLS packet header are correct? (Multiple choice). s bit has only 1 bit in frame mode and 2 bit in cell mode. s bit exists in every MPLS packet header. It is used to mark whether there are other labels behind this label, 1 means yes, 0 means no. It is used to mark whether there are other labels behind this label, 0 means yes, 1 means no.

The network management workstation manages network equipment through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive?. trap message. get-response message. set-request message. get-request message.

What type of IPv6 address FE80: 2E0: FCFF: FE6F: 4F36 belongs to?. Multicast address. Link local address. Global semicast address. Anycast address.

The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence. True. False.

Which of the following IEEE802.11 standards only supports 2.4GHz frequency band for communication?. 802.11a. 802.11g. 802.11ax. 802.11n.

Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time rapid development of the business. What are the following characteristics of Segment Routing? (Multiple choice). By extending the existing protocol (eg IGP), the existing network can better and smoothly evolve. SR (Segment Routing) adopts IP forwarding, no additional maintenance is required for another label forwarding table. Adopting source routing technology to provide the ability to quickly exchange text between the network and upper-layer applications. Support the centralized control mode of the controller and the distributed control mode of the transponder at the same time, and provide a balance between centralized control and distributed control.

The MPLS label header is encapsulated between the data link layer header and the network layer header of the message. True. False.

If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address?. 00EO-FCEF-FFFE-OFEC. 02EO-FCFF-FEEF-0FEC. 00EO-FCFF-FEEF-0FEC. 02EO-FCEF-FFFE-0FEC.

Which of the following description of static and dynamic routing is wrong?. Dynamic routing protocols take up more system resources than static routing protocols. After the link fails, the static route can automatically complete the network convergence. After the administrator deploys the dynamic routing protocol in the corporate network, later maintenance and expansion can be more convenient. Static routing is simple to configure and easy to manage when applied in the enterprise.

Which of the following descriptions of OSPF areas are correct? (Multiple choice). All networks should be declared in zone 0. The number of the backbone area cannot be 2. Before configuring the OSPF area, an IP address must be configured for the loopback interface of the router. The number range of the area is from 0.0.0.0 to 255.255.255.255.

The Layer 2 Ethernet switch generates entries in the MAC address table according to the ( ) of the Ethernet frame received by the port. Source IP address. Source MAC address. Destination MAC address. Destination IP address.

The MAC address table of existing switches is shown in the figure. Which of the following statement is correct?. The MAC address 5489-9885-18a8 is manually configured by the administrator. The MAC address 5489-9811-0b49 is manually configured by the administrator. The MAC address 5489-989d-1d30 is manually configured by the administrator. After the switch restarts, all MAC addresses need to be relearned.

When the switch port sends a data frame carrying the same VLAN TAG and PVID, it must strip the VLAN TAG and forward it. True. False.

Which of the following levels is not a common network level in mid-sized campus network architecture?. Access layer. Core layer. Convergence layer. Network layer.

UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements. True. False.

Which stage of the life cycle of campus network construction is the beginning of a project?. Network optimization. Network implementation. Planning and design. Network operation and maintenance.

When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If there is no configuration file in the default storage path, what will the router use for initialization?. Initial configuration. Current configuration. New configuration. Default parameters.

In the OSPF protocol, which of the following descriptions of DR is correct? (Multiple choice). If the priority values of the two routers are equal, the router with the larger Router ID is selected as the DR. By default, all routers in this broadcast network will participate in the DR election. If the priority values of the two routers are different, select the router with the lower priority as the DR. DR and BDR should also establish an adjacency relationship.

Which of the following fields is not included in the HELLO packet of the OSPF protocol?. Neighbor. Network mask. Sysname. Hellointerval.

If the network address of a network is 10.1.1.0/30, what is its broadcast address?. 10.1.1.2. 10.1.1.3. 10.1.1.4. 10.1.1.1.

If the broadcast address of a network is 172.16.1.255, what might its network address be?. 172.16.2.0. 172.16.1.128. 172.16.1.1. 172.16.1.253.

When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header?. Source IPv4 address. Sequence number. Destination IPv4 address. TTL.

When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet. LSU. LSACK. LSR. LSA.

Apply the ACL configured as shown in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log in remotely: # acl number 2000 rule 5 permit source 172.16.105.2 0 #. True. False.

Regarding the corresponding relationship between the access control list number and type, which of the following description is correct?. The basic access control list number range is 1000-2999. The access control list number range of the second layer is 4000-4999. The number range of interface-based access control list is 1000-2000. The range of advanced access control list numbers is 3000-4000.

What is the number range of the Layer 2 ACL?. 2000-2999. 3000-3999. 4000～4999. 6000～6031.

What is the destination IP address of the DHCP DISCOER message?. 127.0.0.1. 224.0.0.1. 224.0.0.2. 255.255.255.255.

In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era?. 802.11g. 802.11a. 802.11b. 802.11ac.

The router running the OSPF protocol can reach the FULL state after completing the LSDB synchronization. True. False.

In order to distinguish different users and provide different network services on the AP. Which of the following can be configured?. VT. VAP. VAC. WAP.

The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD). True. False.

Which of the following descriptions are correct about the concept of IEV architecture? (Multiple choice). MANO is composed of NFVO.VNFN and VIM. VFM. Virtual network function management, responsible for the life cycle management of VNF. VIM (Virtualised Infrastructure Manager) virtual resource management, responsible for the virtualization of infrastructure. FVO (NEV Orchestrator) is responsible for business orchestration.

Which of the following methods can read data non-blocking in Python's telnetlib?. telnet_Read_all. telnet_read_very_lazy. telnet._read_eager. telnet_read _very_eager.

Regarding the control plane of the device, which of the following statements is correct? (Multiple choice). The control plane is responsible for the interaction of routing protocols between devices. The control plane provides equipment monitoring capabilities. The control plane is responsible for directing data forwarding. The control plane is responsible for generating the IP routing table.

Which of the following commands can modify the device name to huawei?. Hostname Huawei. Sysname Huawei. Rename Huawei. Do name Huawei.

Which statement is wrong about the ARP message?. ARP reply packets are sent unicast. Any link layer protocol requires ARP messages to assist in obtaining data link layer identification. ARP packets cannot be forwarded to other broadcast domains. ARP request message is sent by broadcast.

Which of the following networks belong to a local area network? (Multiple choice). A home network. Office network of a company. Internet. Broadband Metropolitan Area Network.

Which statement about OSPF protocol DR is correct?. DR must be the highest priority device in the network. Router ID, the larger the value, the more preferred to be elected as DR. DR election is preemptive. An interface priority is 0, then the interface cannot be a DR.

Which of the following elements are included in the routing table? (Multiple choice). Interface. Destination/mask. Nexthop. Protocol. Cost.

The following rules exist in a certain ACL of the router. rule deny tcp source 192.168.1.0 0.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 Which statement is correct?. The source IP is 192.168.1.1, the destination IP is 172.16.10.1, and all TCP packets whose destination port number is 21 match this rule. The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this one. The source IP of the rule is 192.168.1.1, the destination IP is 72.16.10.3. All TCP packets with the destination port number of 21 match this rule. The type of ACL is a basic ACL.

Which of the following parameters cannot be used in the advanced visit control list?. Protocol number. Destination port number. Physical interface. Time range.

In the network shown in the figure below, host A logs in to router A through Telnet, and then obtains the configuration file of router B through FTP on the remote interface. How many TCP connections exist on router A at this time?. 1. 2. 3. 4.

Which type of message is used by network devices running SNMPv 1 protocol to actively send alarm information?. Trap. Response. Get Request. Get-Next Request.

By default, network devices running SNMPv2c protocol use which of the following port numbers to send trap messages to the network management system?. 6. 121. 17. 162.

Which of the following types of addresses is not included in IPv6 addresses?. Anycast address. Broadcast address. Unicast address. Multicast address.

In the VRP interface, use the command startup saved-configuration backup.cfg. to configure the backup.cfg file for the next startup. True. False.

Which of the following statements about Trunk port and Access port are correct?. Trunk ports can only send untagged frames. Access port can only send tagged frames. Trunk ports can only send tagged frames. Access port can only send untagged frames.

If the Length/Type of an Ethernet data frame is 0X8100, which of the following is correct?. This data frame must carry VLAN TAG. There must be a UDP header in the upper layer of this data frame. There must be an IP header in the upper layer of this data frame. There must be a TCP header in the upper layer of this data frame.

The two switches shown below have both enabled the STP protocol. An engineer made the following conclusions on this network. Which conclusions do you think are correct? (Multiple choice). The G0/0/3 port of SWA is stable in Forwarding state. The G0/0/2 port of SWA is stable in Forwarding state. Both ports of SWA are designated ports. G0/0/2 port of SWB is stable in Forwarding state. Both ports of SWB are designated ports.

What is the length of the Ethernet_II frame containing the Ethernet header?. 60-1560B. 46-1500B. 64-1500B. 64-1518B.

By default, the bridge priority of Huawei switches is 32768. True. False.

On the switch, which VLANs can be deleted by using the undo command? (Multiple choice). vlan 4094. vlan 2. vlan 1. vlan 1024.

According to the command shown in the figure, which of the following description is correct? (Multiple choice）. The PVID of GigabitEthernet0/0/2 port is 1. The PVID of GigabitEthernet0/0/1 port is 10. The PVID of GigabitEthernet0/0/2 port is 10. The PVID of GigabitEthernet0/0/1 port is 11.

Which of the following advantages does the router-on-a-stick approach achieve routing intercommunication between VLANs?. Reduce the number of equipment. Reduce routing table entries. Reduce the use of IP addresses. Reduce the number of chain connections.

When the host frequently moves, which VLAN division method is most appropriate?. Based on AC address division. Based on strategy division. Based on IP subnet division. Based on port division.

Which of the following description are wrong about the Forwarding state in the spanning tree protocol? (Multiple choice). The port in the Forwarding state can forward data packets. The port in the Forwarding state does not learn the source MAC address of the packet. Ports in Forwarding state can receive BPDU packets. The port in the Forwarding state will definitely send BPDU packets.

On the VRP platform, what is the role of the command "interface vlanit <vlan-id>" ?. Create a VLAN. No such command. Create or enter VLAN virtual interface view. Configure VLAN for a port.

The second layer ACL can match the source MAC, destination MAC, source IP, destination IP and other information. True. False.

The configuration of the country code will affect the actual transmission frequency and maximum transmission power. True. False.