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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

1. In the MPLS VPN network, the data packets are forwarded when entering the public network. It will be encapsulated with two layers of MPLS labels. Which of the following description about the processing of the packet are correct? (Multiple choice)

A) The Egress PE device correctly sends the data packet to the corresponding VPN according to the inner label
B) The Egress PE device receives untagged IP packets
C) The data packet is forwarded to the Egress PE after popping the outer label on the penultimate hop device
D) The outer label of the packet received by the penultimate hop device is 3

2. As shown in the figure, there is a packet containing a three-layer label header. Please select the values corresponding to the X, Y, and Z fields in the figure (decimal)

3. LDP neighbor discovery has different implementation mechanisms and regulations. Which of the following description of LDP neighbor discovery is wrong?

A) LDP basic discovery mechanism can automatically discover LDP peers directly connected to the same link
B) LDP Extended Discovery Mechanism Can Discover Non-Directly Connected LDP Peers
C) LDP discovery mechanism includes LDP basic discovery mechanism and LDP extended discovery mechanism
D) The LDP discovery mechanism needs to clearly specify the LDP Peer.

4. What is the value of the linkage between OSPF and BFD?

A) The hello sending interval of OSPF is in seconds, which is faster than BFD sensing link status
B) BFD detected at the millisecond level
C) The sending interval of BFD packets can reach the millisecond level, which is slower than OSPF sensing link status
D) Any change in BFD state will not affect OSPF neighbor state

5. If you want to check the files under Flash, which command should you use?

A) dir sdl
B) dir flash
C) dir sd0
D) display patch-information

Solutions: