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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. Which of the following statements about BFD operating modes are true?

A) In demand mode, once a BFD session is set up, the system no longer periodically sends BFD Control packets.
B) In asynchronous mode, two systems periodically exchange BFD Control packets at the negotiated interval. If one system does not receive any BFD Control packets from the other within the detection time, the BFD session is declared down.
C) Asynchronous mode is the primary BFD operating mode.
D) Asynchronous mode does not support the Echo function.

2. The Interface \P address and VRRP virtual IP address can be the same.

A) TRUE
B) FALSE

3. In BGP, the AS_Path attribute records the numbers of all ASs that a route passes through from the local end to the destination in the vector order.
Which of the following statements is false about the attribute change during route transmission?

A) When advertising the route to an IBGP peer, the BGP speaker creates an empty AS_Path in the Update message.
B) When advertising the route to an EBGP peer, the BGP speaker creates an AS_Path carrying the local AS number in the Update message.
C) When advertising the route to an IBGP peer, the BGP speaker does not change the AS_Path attribute of the route.
D) When advertising the route to an EBGP peer, the BGP speaker adds the local AS number to the end of the AS_Path.

4. IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?

A) Specifying a multicast source
B) Leave message
C) Report message
D) Group-Specific Query message

5. An enterprise uses OSPF to implement network communication. To ensure data validity and security, all authentication modes supported by OSPF are enabled on routers. In this case, interface authentication is preferentially used by the routers.

A) TRUE
B) FALSE

Solutions: