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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

1. In an MPLS backbone network, LDP is enabled on all interfaces and IGP routes are present.
However, labeled routes do not appear in the forwarding table. What is the most likely missing configuration?

A) Route-policy for LDP
B) BGP next-hop-self
C) Global MPLS enable command
D) VRF binding

2. When VPN traffic is transmitted in a typical BGP/MPLS IP VPN network, it usually contains two layers of labels. Which of the following descriptions about these two layers of labels are wrong?
(Multiple choice)

A) The outer label is distributed by MP-BGP to guide the message to find the corresponding CE device on the remote PE device
B) The inner label is distributed by MP-BGP, and the peer CE device will pass the inner label to the local CE through the BGP Update message
C) The outer label is distributed by LDP. If the PHP function is enabled, the Egress PE can only see the inner label distributed by MP-BGP.
D) Both inner and outer labels are distributed by LDP for end-to-end delivery of VPN traffic.

3. In an IPLS network, when an LSR (Label Switching Router) receives a Hello message from the other end, it will establish an LDP adjacency relationship, in which the Hello message will be sent in multicast or unicast form.

A) False
B) True

4. Which of the following phenomena may occur when a layer 2 loop appears in the network?
(Multiple choice)

A) The service interface indicator light flashes frequently
B) CPU usage is too high
C) Interface bandwidth utilization is too high
D) The device cannot log in or runs slowly after logging in

5. A network engineer discovered that a link failure alarm frequently appeared on the interface of a certain device. The interface is an Ethernet optical port. Which of the following commands can the network engineer use to check the transmit and receive optical power of the interface?

A) display transceiver
B) display temperature
C) display pon-transceiver
D) display alarm all

Solutions: