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  1. Home
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  3. H31-161

Huawei H31-161 Exam (page: 2)
Huawei HCIE-Carrier IP (Written)
Updated on: 12-Feb-2026

Viewing Page 2 of 13
H31-161 PDF 180 Questions

If a (*, ) entry exists in the RP, Which of the following statements about the source registration are true in PIM_SM?

  1. The first hop DR connecting to the source encapsulate received multicast into PIM registration information and unicast the encapsulated information to the PR.
  2. The RP sends an (S, G) join message hop by hop to the first hop DR connected to the multicast source to add the multicast source to the SPT.
  3. The first-hop RD connecting to the source sends received multicast data to the RP ho[p by hop.
  4. The RP encapsulates registration information and uses RTP to send data packet to be sent to the multicast group to the outbound interface.
  5. The RP unicast a registration stop message to the first router connection to the multicast source.

Answer(s): E



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

  1. RIP
  2. BGP
  3. ISIS
  4. MPLS

Answer(s): B



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?

  1. ssm-mapping 232.1.3.2 16.2.0.0.1
  2. ssm mapping 232.1.3.1.24.2.0.0.1
  3. ssm-mapping 232. 1 308 2 00.1
  4. ssm-mapping 232 1.0. 1 32. 1. 0. 0. 1
  5. ssm-mapping 232. 1.0. 2. 32. 1. 0. 0. 1
  6. ssm-mapping 232. 1. 0. 0. 24. 1. 0. 0. 1

Answer(s): C



Exhibit.



RTA is an edge router of the MPLS backbone network. It provides the access services for users under Layer 2 switches and different users by subinterface . User A access VLAN12 and has subscribed to the His, VoIP, and IPTV services. According to 802 1p priorities, the value indicates the His service, 1 indicates the VoIp service, and 4 indicates the IPTV service. RTA is configured on he access side as follows.



What is the descending order of service priorities?

  1. VoIP, IPTV, HSI
  2. HSI, VoIP, IPTV
  3. IPTV, VoIP, HSI
  4. HSI, IPTV, VoIP

Answer(s): D



Which statement about the Hub s MPLS VPN networking is false?

  1. The Hub PE can receive the VPN_IPv4 routes advertised by all Spoke PEs.
  2. When an MP-IBGB neighbor relationship is established between two spoke PEs, the value of the Import VPN Target attribute of one Spoke PE can be the same as tat of the Export VPN Target attribute of the other Spoke PE.
  3. The Hub PE advertises the routes learned from one Spoke PE to other Spoke PEs. Therefore, Spoke sites can access other through the Hub site.
  4. All Spoke PEs can receive the VPN-IPv4 routes advertised by the Hub PE.

Answer(s): B



Viewing Page 2 of 13



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