Free Access Huawei.H31-161.v2022-12-15.q82 Practice Test (Page 2)

Question 1

RTA is a leaf router that directly connects to host A through interface GigabitEthernet 1/0/0. The interface is configured as follows:
interface Ethernet1/0/0
undo shutdown
ip address 192.168.4.2 255.255.255.0
pim sm
igmp enable
igmp version 3
igmp ssm-mapping enable
Configurations in the IGMP view are as follows:
igmp
ssm-mapping 233.1.1.0 255.255.255.0 10.10.1.1
A user sends an IGMPv2 Report message on host A to join groups 232.1.1.1 and 233.1.1.1 but the user cannot receive (10.10.1.1, 232.1.1.1) and (10.10.1.1, 233.1.1.1) messages. To solve this problem, which of the following configurations are required?

A.Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 233.1.1.1.

B.Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 232.1.1.1.

C.Configure ssm-mapping 232.1.1.0 255.255.255.0 10.10.1.1 in the IGMP view.

D.Configure ssm-policy in the PIM view and use the ACL to set the SSM group address range to 232.1.1.1 and 233.1.1.1.

Question 2

The Huawei router is the hop RD where the SSM mapping function is enabled at the interface. Some IGMPv2
hosts expect to receive (1.0.01,232.1.0.1) (1.0.0.1232.1.0.2), and (2.0.0,232.1.3.2) data. How can you satisfy
the preceding requirement with the least configurations?

A.ssm-mapping 232 1.0. 1 32. 1. 0. 0. 1

B.ssm-mapping 232. 1.0. 2. 32. 1. 0. 0. 1

C.ssm-mapping 232. 1 308 2 00.1

D.ssm-mapping 232.1.3.2 16.2.0.0.1

E.ssm mapping 232.1.3.1.24.2.0.0.1

F.ssm-mapping 232. 1. 0. 0. 24. 1. 0. 0. 1

Question 3

Which of the following statements about the L2VPN are true?

A.When a traditional L2VPN (ATM and FR) is upgraded to an MPLS L2VPN, the network topology does not need to be adjusted.

B.When providing the MPLS L2VPN service for enterprise users, the carrier must filter user route advertisements. Otherwise, flapping of user routes may lead to flapping of network routes.

C.On a L2VPN, routing information of users does not need to be maintained or managed.

D.If the length of a L2VPN packet that arrives at a P node exceeds the maximum transmission unit (MTU) of relevant interfaces of the P node, the packet will be fragmented and then forwarded.

Question 4

Which of the following statements about the destination addresses of packets and the Router Alert option are true?

A.The PathTear message without the Router Alert option is sent to the next hop.

B.The ResvTear message without the Router Alert option is sent to the previous hop.

C.The Resv message carrying the Router Alert option is sent to the ingress node.

D.The Path message carrying the Router Alert option is sent to the egress node.

Question 5

Which of the following can be implemented in an IP backbone network?

A.ISIS

B.BGP

C.RIP

D.MPLS

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