Q14. A certain enterprise network is shown in the figure, in which CE and PE communicate with each other by deploying EBGP. At this time, CE1 transmits a private network route to PE1.

what are the errors in the following analysis of this scenario? (Multiple choice)

Q15. What is the meaning of ipv6 enable topology ipv6 in IS-IS protocol view?

Q16. Use the “display current-configuration | include0.2.*” command on the router to see all the information including “10.0.2” in the current configuration.

Q17. The routing attributes of the three routing entries are shown in the figure. Assuming that the next hop of the three routing entries are all reachable, when the three routing entries arrive at the BP router in sequence, by default, BGP will finally select one route entry?

Q18. In the hub-spoke networking shown in the figure, which of the following commands must be configured on the Hub-PE to ensure correct route transmission?

Q19. On the OSPF network shown in the figure, area 1 and area 2 are common areas. The IP address of Loopback0 on R5 is 10.0.5.5/32, and OSPF is enabled on this interface. If the abr-summary 10.0.5.0
255.255.255.0 command is run in area 2 (where R1 resides), which of the following routers have the route
10.0.5.0/24 in their routing tables?

Q20. Which of the following statements about the OSPFv3 message format is correct? (Multiple choice)

Q21. On the IS-IS IPv6 network shown in the figure, multi-topology is enabled on all routers.
The ipv6 default-route-advertise always level-1 command is configured in the IS-IS process of R4.

Which of the following routers does not have the default route in its routing table?

Q22. On the OSPF network shown in the figure, R1 and R2 use OSPF to communicate with each other through Loopback0 . In addition:
* MPLS LDP is enabled on R1 and R2 .
* The LDP transport address is the IP address of Loopback0 .
* A network engineer finds that an LDP session cannot be established between R1 and R2 and runs diagnostic commands (shown in the figure) to locate the fault.
Given this, which of the following are possible causes of the fault?

Options:

Q23. On the OSPFv3 network shown in the figure, area 1 is a totally stub area, area 2 is a common area, and area 3 is a totally NSSA. The IPv6 address of Loopback0 on R6 is 2000::6/128. The router ID of each router is 10.0.
X.X, where X is the number of the router. When all links are normal, which of the following statements are true?

Q24. As shown in the figure, OSPF is enabled on all interfaces of the router, and the ip address identified in the figure is the device’s IP address.
Loopback0 presses the IP address of the port, RI, R2, R3EJLoopbacD is advertised in the area 1, R4 LoopbacfkD advertises in area D and which of the following functional addresses can be pinged between the LoopbackD announcements of R5 and R5 in area 2?

Areal
10.0.1.1/32

Q25. On the OSPFv3 network shown in the figure:
* Area 1 is a stub area
* Area 2 is a common area
* Area 3 is an NSSA
* The IPv6 address of Loopback0 on R6 is 2000::6/128.
* The router ID of each router is 10.0.X.X, where X is the router number.

Which of the following statements are true?

Q26. On the IS-IS IPv6 network shown in the figure, multi-topology is enabled on all routers. The ipv6 default- route-advertise always level-1 command is configured in the IS-IS processes of R4 and R5. By default, which of the following routers have default routes in their routing tables?

Q27. On the OSPF network shown in the figure, the cost values of links are marked. OSPF IP FRR is enabled on R1. The primary path from R1 to 10.0.3.3/32 is R1 – > R2 – > R3, and the backup path is R1 – > R4 – > R2 – > R3.

Q28. Deploying port isolation technology in Ethernet can realize Layer 2 intercommunication and Layer 3 isolation, making networking more flexible.

Q29. In the figure, packets are forwarded based on MPLS on the network.
When PE2 receives a packet from P2, what is the label value carried in the packet?

Options:

Q30. The configuration of an interface on a switch is shown below. Which of the following average rates of broadcast packets received by the interface trigger the storm control action?

Q31. Regarding the BGPI MPLS IPVPN network architecture, which of the following descriptions is wrong?

Q32. The administrator uses the display mpls lsp command to view the LSP of the device. The output information is shown in the figure. Which of the following descriptions of the information are correct? (Multiple choice)

Q33. On the network shown in the figure, single-hop BFD is configured on R1 and R2. A network engineer finds that the BFD session goes down. To locate the fault, the network engineer queries the BFD configurations on R1 and R2. According to the configuration information marked in the figure, it can be determined that the mismatched time parameter settings on R1 and R2 causes the BFD session to go down.

Q34. As shown in the figure, on the R1 router, network administrator A sends the routing entry to R2 through the routing policy After modifying the Local Preference value, you can control the path of traffic leaving the AS100

Q35. In the enterprise network shown in the figure, R3 is connected to the enterprise network management server, and all devices in the network communicate with the network management server through VPN.

During the inspection, it was found that R3 had redundant RT configurations. Which of the following commands can be executed on R3 to delete the redundant RTs without affecting the connectivity of all devices and the network management server? (Multiple choice)

Q36. When an IP packet passes through an MPLS network, an MPLS device processes the TTL value in the packet.
If the pipe mode is used in the topology shown in the figure, which of the following is the TTL value in the IP packet?

Options:

Q37. When an OSPF network fails, the following processes are required to switch traffic paths. Please sort the following processes according to the steps for fault recovery: