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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

Question 1

Which of the following is the least likely cause of the dual-active failure of the VRRP backup group?

A. The link that transmits VRRP advertisement packets is faulty
B. The VRRP backup group IDs on both ends are different
C. The low-priority VRRP backup group discards the received VRRP advertisement packets as illegal packets
D. The Master device sends 1 notification message per second

Question 2

Traditional BGP-4 can only manage IPV4 unicast routing information. MP-BGP extends BGP-4 in order to provide support for multiple network layer protocols. The feature that MP-BGP supports for IPv6 unicast networks is called BGP4+, and BGP4+ carries the next hop address information of the route through the Next Hop attribute.

A. True
B. False

Question 3

The dynamic IP address assigned to the client by the DHCP server. Usually there is a certain rental period, which of the following description of the rental period is wrong?

A. The rebinding timer is 87.5% of the total lease period
B. If the "rebinding timer" expires, but the client has not received a response from the server, it will always send a DHCP REQUEST message to the DHCP server that has previously assigned an IP address until the total lease expires.
C. If the client receives a DHCP NAK message within the lease period, the client will immediately stop using this IP address and return to the initialization state, and re-apply for a new IP address
D. The lease renewal timer is 50% of the total lease period. When the "lease renewal timer" expires, the DHCP client must renew the IP address

Question 4

What does the cutover project plan mainly include? (Multiple choice)

A. Cutover Preparation
B. Fallback plan
C. Emergency plan
D. Cutover Implementation

Question 5

Which of the following reasons may cause the hosts in the same VLAN of the local area network to fail to communicate with each other? (Multiple choice)

A. Switch MAC address learning error
B. Port isolation is configured on the switch
C. The interface is damaged by artificial shutdown or physical interface
D. Wrong port and MAC address binding is configured on the switch

Solutions: