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Free H31-161 Exam Braindumps
HCIE-Carrier IP (Written) Questions 81–85 (page: 18)

Updated On: 10-Feb-2026
Page 18 of 37
PDF with 180 Questions

Refer to the exhibit.



Eth0 and Eth1 on PE 3 are bound to VRF1 and VRF2, respectively. A valid static route 1.1.1.1/32 is imported to BGP domains from CE 1, CE 2, and CE 4, respectively.
Which of the following statements are false?

  1. CE 3 can learn route 1.1.1.1/32 on CE 4.
  2. CE 3 cannot learn route 1.1.1.1/32 on CE 1 because the RD of this route is the same as that of the VRF.
  3. CE 3 cannot learn route 1.1.1.1/32 on CE 2 because the RD of this route is different from that of the VRF.
  4. Local VRFs must use different RDs

Answer(s): B,C



According to the inter-AS VPN Option A, which protocol is used to forward traffic between ASBRs?

  1. MPLS
  2. IP
  3. A or B
  4. None of the above

Answer(s): B



About the merits and demerits of inter-AS VPN-IPv4 Option B using MP-EBGP between ASBRs, which statement is true?

  1. The inter-AS scheme in Option B is an inherent feature of VPN.
  2. VRFs matching PEs must be configured on the ASBR.
  3. An ASBR is required to store all VPN routes, which challenges the performance of the ASBR.
  4. An ASBR does not store VPN routes but sends them out as label data.

Answer(s): C





As shown in the figure, the AS number of operator 1 is 100 and that of operator 2 is 200. Option C is used for exchanging VPN routes between AS 100 and AS 200.
Which of the following statements about Option C are true?

  1. ASBRs are required to exchange VPN-IPv4 routes.
  2. ASBRs do not exchange VPN-IPv4 route.
  3. PEs in different ASs are connected using multi-hop EBGP for direct exchange of VPN-IPv4 routes.
  4. Compared with Option B, Option C greatly reduces the load of the ASBR; therefore, the ASBR will no longer be a bottleneck that hinders network development.

Answer(s): B,C,D



Which of the following statements about inter-AS VPN Option A are true? (ACE)

  1. More logical links must be configured between ASBR-PEs when more VPNs are deployed.
  2. Option A provides excellent scalability and supports a great number of VPNs.
  3. The VPN instances on an ASBR-PE can be bound to both physical interfaces and logical interfaces.
  4. ASBR-PEs communicate with each other only through EBGP.
  5. ASBR-PEs communicate with each other through any multi-instance (PE-CE) capable routing protocol.

Answer(s): A,C,E



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