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HCIP-Datacom-Advanced Routing & Switching Technology Questions 209–216 (page: 28)

Updated On: 14-Aug-2026

The RR rules for advertising routes break the IBGP split horizon rules, so it may cause loops in the AS.
What routing attributes does RR use to prevent loops? (Choose two.)

  1. Cluster List
  2. Originator ID
  3. Next hop
  4. AS-PATH

Answer(s): A,B



Which of the following reasons may cause the hosts in the same VLAN of the LAN to fail to communicate?

  1. Switch MAC address learning error
  2. The interface is manually shut down or the physical interface is damaged
  3. Wrong port and MAC address binding is configured on the switch
  4. Port isolation is configured on the switch

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



A company consists of a head office and two branches, and uses MPLS VPN technology to deliver private network routes. In the networking mode of HuB & Spoke. Branches can only send and receive routing with the head office, and branches cannot directly send and receive routing with each other. In order to achieve the above requirements, which of the following options can be set for RT? (Choose two.)

  1. Headquarters: Import Target 12:3; Export Target: 3:12. Branch 1: Import Target: 3:12; Export Target 12:3.
    Branch 2: Import Target: 3:12: Export Target: 12:3
  2. Headquarters: Import Target: 1:1; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1.
    Branch 2: Import Target: 3:3; Export Target: 2:2
  3. Headquarters: Import Target 1:1, 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1.
    Branch 2: Import Target: 3:3; Export Target: 2:2
  4. Head Office: Import Target: 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1.
    -Branch 2: Import Target: 3:3; Export Target.2:2
    -

Answer(s): A,C



Which of the following statements about MUX VLAN are correct? (Choose two.)

  1. Each Group VLAN must be bound to a Principal VLAN
  2. Separate VLAN can communicate with all VLANs in MUX VLAN
  3. Each Separate VLAN must be bound to a Principal VLAN D. Principal VLAN can communicate with all
    -VLANs in MUX VLAI
    -

Answer(s): A,C



Which of the following descriptions is correct about configuring static LSP in MPLS network? (Choose three.)

  1. When a certain LSR is an Egress LSR, only In Labe1 needs to be configured, the range is 16~1023
  2. When a certain LSR is a Transit LSR, In Labe1 and Out labe1 need to be configured at the same time, the range of In Labe1 is 16~1023, and the range of Out Labe1 is 16~1048575
  3. When a certain LSR is a Transit LSR, In Labe1 and 0ut Label need to be configured at the same time, the range is 16~1023
  4. When an LSR is an Ingress LSR, only Out Label needs to be configured, ranging from 16 to 1048575

Answer(s): A,B,D



Which of the following aspects should be considered in the cutover risk assessment?

  1. Loss caused by risk
  2. Scope of risk impact
  3. Time of risk impact
  4. Location of key risk points

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



Which of the following are static information coking analysis? (Choose three.)

  1. Interface type
  2. Packet loss rate
  3. License
  4. Device type

Answer(s): A,C,D



Ethernet is a network that supports broadcasting. Once there is a loop in the network, this simple broadcasting mechanism will cause catastrophic consequences.
Which of the following phenomena may be caused by loops?

  1. CPU usage exceeds 70%
  2. The device cannot log in remotely
  3. When you use the display interface command to view interface statistics on the device, it is found that the interface receives a large number of broadcast packets
  4. Severe packet loss during network testing through the ping command

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



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