Free H31-161 Exam Braindumps
HCIE-Carrier IP (Written) Questions 46–50 (page: 11)

Updated On: 10-Feb-2026

In the inter-AS multicast, which statement about transmitting MSDP SA messages is false?

  1. SA messages can be transmitted only between RPs in different PIM networks.
  2. The router uses the SA cache to store SA messages.
  3. The SA message contains the multicast source and group information
  4. The router checks the RPF after receiving SA messages.

Answer(s): A



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) dat

  1. How can you satisfy the preceding requirement with the least configurations?
  2. ssm-mapping 232.1.3.2 16.2.0.0.1
  3. ssm mapping 232.1.3.1.24.2.0.0.1
  4. ssm-mapping 232. 1 308 2 00.1
  5. ssm-mapping 232 1.0. 1 32. 1. 0. 0. 1
  6. ssm-mapping 232. 1.0. 2. 32. 1. 0. 0. 1
  7. ssm-mapping 232. 1. 0. 0. 24. 1. 0. 0. 1

Answer(s): C



RTA is a leaf router that directly connects to host A through interface GigabiteEthernet 1/0/0. The interface is configured as follows:



Hos a sends a IGMPv2 Report message to group 2321.2.3.
Which entry can be displayed by the displayed by the igmp ssm-mapping group command?

  1. (10.10.1.1, 232.1.2.2)
  2. (10.10.1.1, 232.1.1.) and (10.10.1., 2321.2.3)
  3. (10.10.1.1, 232.1.1.1)

Answer(s): A



On the OSPF network, which of the following statements about the authentication function of the OSPF protocol are true?

  1. The OSPF protocol supports area authentication and interface authentication.
  2. The interface authentication mode must be consistent with the area authentication mode . For Example, interface and area are authentication in simple or MDS mode or are not authenticated.
  3. The interface authentication mode can be different from the area authentication mode.
  4. The authentication function of the OSPF is implemented by parameter settings in hello packets.

Answer(s): A,C,D



An Ethernet cable connects RTA to RTB through Ethernet 0/0.the OSPF neighbor relationship can be established without enabling the OSPF authentication function is enabled, Which of the following statements about the OSPF relationship between RTA and RTB are true?

  1. Simple authentication is used between RTA and RTB
  2. The OSPF neighbor relationship cannot be established between RTA and RTB due to failure of area authentication
  3. The OSPF neighbor relationship can be established between RTA and RTB
  4. MD5 authentication is used between RTA and RTB

Answer(s): C,D



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