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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. What should you do when a router running BGP receives a route whose next hop is unreachable?

A) Receive the route and add it to the BCP routing table. However, this route will not be preferred by BCP and will not be added to the IP routing table.
B) Receive the route, add it to the BGP routing table, participate in BGP routing rules, it may be selected as the best route, and add it to the IP routing table
C) Refuse to join the BGP routing table and silently discard it
D) Send an error message to the router that issued the Update

2. In PIM, which of the following descriptions about DR is correct? (Multiple choice)

A) On the shared network segment connected to the multicast source, the DR is responsible for sending Join registration messages to the RP. The DR connected to the multicast source is called the source DR.
B) If the current DR fails, the PIM neighbor relationship will time out, and a new round of DR election will be triggered between other PIM neighbors.
C) PIM routers become PIM neighbors by exchanging Hello messages. The Hello messages carry the DR priority and the interface address of the network segment.
D) On the shared network segment of the connection group members, the DR is responsible for sending a Register message to the RP. The DR connected to the group members is called the group member-side DR.

3. Which of the following description of how to establish a BFD session is wrong?

A) The system distinguishes between static BFD sessions and dynamic BFD sessions by dividing the identifier area.
B) Static configuration of the BFD session refers to configuring the BFD session parameters through the command line, including local identifiers and remote identifiers, etc.
C) BFD sessions can only be established dynamically
D) When dynamically establishing a BFD session, dynamically assign a local identifier.

4. Which of the following descriptions about 0SPF packet authentication is wrong? (Multiple choice)

A) In the same OSPF process on the same router, if Area 0 uses MD5 authentication, other areas must also use MD5 authentication, but the authentication keys in different areas can be different
B) The authentication modes supported by Huawei routers can be divided into Null, Simple., MD5, and HMAC-MD5 according to different encryption algorithms. Some devices also support HMAC-SHA256
C) Huawei routers support two authentication methods: area authentication and interface authentication
D) The OSPF neighbor authentication process is completed by exchanging Hello packets

5. Which of the following LSA descriptions about various messages is wrong?

A) LS Request message only has LS Type LS ID and Advertising Router
B) DD only contains the summary information of the LSA, which includes LS Type LS ID Advertising Router and LS Sequence Number
C) The LSACK message contains complete LSA information
D) LS Update message contains complete LSA information

Solutions: