Free Huawei H31-161 Exam Braindumps (page: 8)

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



On a VPLS network a PE router receive a packet that containers layer 2 user data from a PE. How does the PE router determine the source VSI of this packet?

  1. Outer label of the packets
  2. Destination MAC address in the L2 PDU encapsulation in the packet
  3. MAC address and VLAN ID in the PDU encapsulated in the packet
  4. Inner label of the packet

Answer(s): D



When the RSVP LSP FRR protection is enables, which of the following statements about the original RSVP LSP are true?

  1. The point of local repair (PLR) and the merge point (MP) can perceive the application of FRR but other nodes on the original RSVP LSP
  2. The RESV message is sent by the MP to an upstream node through a bypass LSP after modified.
  3. The PATH message is sent by the PLR to the MP through a bypass LSP after modified.
  4. The MP sends the ResvTear message to the upstream node of the original RSVP LSP.

Answer(s): B,D



As shown I the figure, the asymmetric VLL FRR networking is used AC interfaces on PE 1, PE 2 and PE 3 are configured as follows:



Which of the following statements are the true on the condition that IGP and MPLS are configured correctly on the public network?

  1. If a forwarding fault is detected on the PW between PE a and PE 2 , traffic from CE 1 to CE 2 can be switched to the PW between PE 1 and PE 3.
  2. If a forwarding fault is detected on the PW between PE a and PE 2 , traffic can be switched to the backup PW on PE 1.
  3. If a forwarding fault is detected on the public network side of the between PE 1 and PE 2, traffic from CE 2 to CE 1 can be switched to the PW between PE 1 and PE3.
  4. The PW between PE1 and PE 2 is the primary PW.

Answer(s): A



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