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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Regarding BGP4+, the following statement is correct?

A) BGP4+ carries the prefix and mask length of the IPv6 route through the NLRI attribute
B) The NEXT_HOP attribute does not exist in BGP4+
C) BGP4+ carries the next hop address of the IPv6 route through the NEXT_HOP attribute
D) BGP4+ carries the next hop address of the route through the Network Address of Next Hop in the NLRI properties MP_REACH

2. The value of OSPF and BFD linkage is? Radio

A) BFD packet transmission interval can reach the 100-second level, which is slower than the OSPF induction link state
B) Any change in BFD status is realized by detecting the BFD at the millisecond level, which correlates the OSPF state and realizes the purpose of OSPF rapid sensing link state
C) OSPF's hello send interval is seconds, which is faster than BFD inductive link state
D) Does not affect OSPF neighbor status

3. In an MPLS BGPVPN environment, if tags are distributed only through BGP and LDP, the MPLS tags of the message can be up to two layers of tags

A) False
B) True

4. The following description of the CHAP authentication function in the PPP protocol is correct? (Multiple choice questions).

A) can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value
B) If the authenticator does not have a username configured, password
C) is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password
D) The user name must be configured under the authenticated party interface for CHAP authentication

5. ISIS elects DIS in broadcast multiplexed access networks, and the following statement about DIS is correct? (Multiple choice)

A) ISIS elects dis by comparing priorities, and mac addresses if the priorities are consistent
B) DIS guarantees database synchronization by periodically sending CSNP messages
C) In a broadcast multiple access network, DIS sends Hello PDUs at three times the frequency
D) DIS supports preemption function, after the new DIS preemption is successful, there is no need to flood any LSP packet

Solutions: