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Free H31-161 Exam Braindumps
HCIE-Carrier IP (Written) Questions 21–25 (page: 6)

Updated On: 10-Feb-2026
Page 6 of 37
PDF with 180 Questions

Which statement about primary VPN tunnel binding is false?

  1. Only the data destined for the specific peer device is transmitted through the n=bound primary VPN tunnel Data to other devices is transmitted using the default tunnel policy.
  2. Primary tunnel ensures that data can be transmitted from a VPN t a specific peer device permanently through a dedicate TE tunnel.
  3. Primary VPN tunnel binding means to bind a tunnel to a specific VPN. The bound tunnel is exclusive to the VPN.
  4. The bound primary tunnel can be selected sequentially.

Answer(s): D



As shown in the figure , CE and CE 2 belong to VPN A, CE 3 and CE 4 belong to VPN B, VPN A and VPN B share the public network tunnels between border PE 1 and PE 2, and LDP tunnels are configured between PE 1 and PE 2. To isolate resources for VPN service data from PE 2 to PE 1, a unidirectional TE tunnel is configured t forward data from PE1. The QoS policy propagation though the border gateway protocol (QPPB) feature is configured on PE 2, and a QoS policy is defined when VPNs are bound to tunnel interfaces.





Which of the following statements about the configurations on PE 2 are true?

  1. The mpls te commit command must be configured on the Tunnel1/0/0 interface,
  2. The mpls te cspf command must be configured in the global MPLS view.
  3. The maximum reserved bandwidth must not exceed the bandwidth of the tunnels.
  4. The maximum reserved bandwidth must not exceed the bandwidth of the physical links.
  5. The mpls te commit command must be configured on the Post/0/0 interface.

Answer(s): A,B,D



Which of the following statements about control words in the L2VPN are true?

  1. When SVC VLL is used, if PEs at two ends of a VC use different control words, the may not become Up.
  2. When Martini VLL is used, if PEs at two ends of a virtual connection (VC) use different control words, the VC may not become Up
  3. The control word can be used to identically the packet sequence.
  4. A control word generally has two bytes and can ne extended to four bytes.
  5. The control word can be used for packet padding For example, when the public network uses Ethernet and the AC uses Peer-to-protocol (PPP), control words can be used to transfer and identify PPP packet with a bytes.

Answer(s): D



Which of the following statements about the VPLS packet forwarding are true?

  1. If a PE receives broadcast packets from a local user, the PE forwards the packets to all other interfaces In the same VSI and all other PEs.
  2. If the destination MAC address of a packet is not a broadcast address and a PE has not learned the MAC address, the broadcast this packet in one VSI
  3. If the destination MAC address of a packets is not a broadcast address and a PE has not learned the MAC address, the PE broadcast this packet in on VSI.
  4. If a receive broadcast packet sent a remote PE, it forwards the packet only to the AC interface instead of other PEs.

Answer(s): A,C,D



Exhibit:



As shown in the figure, one enterprise has VPN A, the other has VPN B, and the two VPNs each have two CEs. The following requirements needs to be met.
VPNA-CA 1 can interwork with VPNA-CE 2
2>VPNA-CE 1 can interwork with VPNA-CE 2.
The figure shows the types of links between CEs and PEs and the IDs used in Martini mode.
Which the following VC ID configurations are correct?

  1. VCID1 =1, VCID2 = 2, VCID3 =3, VCID4 +4
  2. VCID1 =2, VCID2 = 2, VCID3 =2, VCID4 +2
  3. VCID1 =1, VCID2 = 2, VCID3 =1, VCID4 +2
  4. VCID1 =1, VCID2 = 1, VCID3 =2, VCID4 +2

Answer(s): A



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