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Free H12-831 Exam Braindumps
HCIP-Datacom-Advanced Routing & Switching Technology Questions 161–168 (page: 22)

Updated On: 14-Aug-2026
Page 22 of 77
PDF with 603 Questions

The engineer used two routers to test the IPv6 service and simulated the interconnection between the headquarters and the branch by running BGP4+. As shown in the figure, an engineer captured the packet to check the Update message sent by R1. Regarding the description of the message information, which of the following statements are correct? (Choose three.)

  1. The message describes only one BGP attribute, and the multi-protocol unreachable NLRI attribute
  2. This message describes the currently revoked IPv6 route
  3. The length of the top and top strength of the routing address described in the message is:
    2001:db8:2345:1::1/128
  4. The next hop address of the route described in this message is: 2001:db8:2345:1::1\ Answer: ABC

Answer(s): A,B,C



According to this picture, what can we judge? (Choose two.)

  1. R1 access to 172.16.1.4 requires a 2-hop router
  2. R1 access to 172.16.1.4 requires a 4-hop router
  3. There are 2 equivalent paths for R1 to access 172.16.1.4
  4. There are 4 equivalent paths for R1 to access 172.16.1.4

Answer(s): A,C



As shown in the figure, all interfaces of the router enable OSPF. The IP address identified in the figure is the IP address of the oopback0 interface of the device. Loopback0 of R1 and R2 is advertised in area 1, Loopback0 of R4 is advertised in area 0, and Loopback0 of R3 and R5E are advertised in area 2, which of the following IP addresses can ping each other? (Choose two.)

  1. 10.0.2.2 and 10.0.3.3. (Not counted when receiving Category 3 in non-backbone areas)
  2. 10.0.3.3 and 10.0.5.5 (Class 1 in the same area)
  3. 10.0.4.4 and 10.0.2.2. (3 types of normal calculation)
  4. 10.0.2.2 and 10.0.5.5 (not counted when receiving Category 3 in non-backbone areas)

Answer(s): B,C



According to this picture, what can we judge? (Choose two.)

  1. R4 belongs to Leve1-2 only
  2. The device whose system-ID is ee8c. a0c2.baf2, and its type is Level-1-2
  3. The device with system-ID ee8a0c2.baf2, its type is Leve1-1
  4. R4 belongs to Level-1 only

Answer(s): B,D



According to this picture, what can we judge? (Choose two.)

  1. R4 belongs to Leve1-2 only
  2. The device whose system-ID is ee8c. a0c2.baf2, and its type is Level-1-2
  3. The device with system-ID ee8a0c2.baf2, its type is Leve1-1
  4. R4 belongs to Level-1 only

Answer(s): B,D



According to this picture, what can we judge?

  1. R1's GE0/0/1 must have Leve1-2 capability
  2. R1's GE0/0/0 must have the Leve1-2 capability
  3. There must be an LSDB of Leve1-2 on R1
  4. R1 has 2 IS-IS neighbors

Answer(s): A,B,C,D



As shown in the figure, the network has caused a loop because STP is not enabled.
Which of the following phenomena may be caused?

  1. A large number of broadcasts can be received on the Host
  2. The device will have a loop alarm
  3. The device CPU usage is too high
  4. MAC address table flapping

Answer(s): A,B,C,D



According to this picture, what can we judge? (Choose two.)

  1. IS-IS IPv6 is not enabled on GE0/0/1 of R1
  2. The IS-IS interface type of GE0/0/1 of R1 is Leve-1
  3. The IS-IS interface type of the GE0/0/0 interface of R1 is Level-1-2
  4. IS-IS IPv6 is enabled on GE0/0/0 of R1

Answer(s): C,D



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