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Huawei H12-831_V1.0 Exam Syllabus Topics:

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

Question 1

On the enterprise network shown in the figure, R3 is connected to the NMS , and all devices on the network communicate with the NMS through a VPN .
During an inspection, it is found that R3 has redundant RTs (Route Targets) .
Which of the following commands can be run on R3 to delete the redundant RTs without affecting the connectivity between all devices and the NMS?

Options:

A. undo vpn-target 1:3 import-extcommunity
B. undo vpn-target 3:1 import-extcommunity
C. undo vpn-target 2:3 export-extcommunity
D. undo vpn-target 1:3 export-extcommunity

Question 2

VLAN aggregation uses multiple sub-VLANs to isolate broadcast domains on a physical network and aggregates these sub-VLANs into a logical super-VLAN. Which of the following statements is true about VLAN aggregation?

A. If a super-VLAN and the corresponding VLANIF interface are created on a core switch, the VLANIF interface goes Up as long as there is a physical interface in Up state on the core switch.
B. If proxy ARP is enabled on the VLANIF interface corresponding to a super-VLAN, ARP entries can be generated to allow all sub-VLANs to communicate.
C. If different sub-VLANs belong to the same super-VLAN, hosts in these sub-VLANs can directly communicate at Layer 2.
D. When configuring VLAN aggregation, you can configure VLAN 1 as a super-VLAN.

Question 3

On the network shown in the figure, IS-IS runs on R1, R2, R4, and R5, and the area ID is 49.0001. IS-IS runs on R3 and R6, and the area ID is 49.0002. In AS 65000, R1, R3, R4, and R6 each establish iBGP peer relationships with R2 and R5. R2 and R5 are RRs (Route Reflectors), and R1, R4, R3, and R6 are clients. The iBGP peer relationships are established using Loopback0 on each router, and the router ID is 10.0.0.X/32, where X is the number of the router. R1 and R4 import the external route 192.168.1.0/24 to BGP through the import-route command, and R3 and R6 import the external route 192.168.2.0/24 to BGP through the import- route command. Which of the following statements are true?

A. For 192.168.1.0/24, R3 preferentially selects the BGP route received from R2, and R6 preferentially selects the BGP route received from R5.
B. The routing table of R1 does not contain the route 192.168.2.0/24.
C. The routing table of R4 contains two equal-cost default routes.
D. The route 192.168.1.0/24 in the routing table of R3 has two next hops.

Question 4

On the IS-IS IPv6 network shown in the figure:
* Multi-topology is enabled on all routers.
* The IPv6 address of Loopback0 on R4 is 2000::4/128.
* The command ipv6 summary 2000::/64 level-2 is configured in the IS-IS processes of R2 and R1 .
* The command ipv6 import-route isis level-2 into level-1 is configured in the IS-IS processes of R1, R2, and R3 .

Which of the following routers have the route 2000::/64 in their routing tables?

A. R2
B. R4
C. R3
D. R5

Question 5

An RR and its clients form a cluster, which is identified by a unique cluster ID in an AS. When a route is reflected by an RR for the first time, the RR adds the local cluster ID to the top of the Cluster_List attribute if the Cluster_List attribute value is empty. If the Cluster_List attribute has a value, the RR does not modify the value.

A. TRUE
B. FALSE

Solutions: