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Huawei Updated H12-821_V1.0 Exam Questions and Answers by roma

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Huawei H12-821_V1.0 Exam Overview :

Exam Name: HCIP-Datacom-Core Technology V1.0
Exam Code: H12-821_V1.0 Dumps
Vendor: Huawei Certification: HCIP-Datacom
Questions: 382 Q&A's Shared By: roma
Question 20

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?

Options:

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 adds the local AS number to the end of the AS_Path.

C.

When advertising the route to an EBGP peer, the BGP speaker creates an AS_Path carrying the local AS number in the Update message.

D.

When advertising the route to an IBGP peer, the BGP speaker does not change the AS_Path attribute of the route.

Discussion
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Question 21

The BFD Echo function checks the connectivity of the forwarding link by looping back packets. Which of the following statements are true about this function?

Options:

A.

If URPF is enabled on the peer end, BFD packets may be incorrectly discarded on the peer end.

B.

In the BFD Echo function, the device uses the IP address of the outbound interface as the source IP address by default.

C.

The BFD Echo function applies only to single-hop BFD sessions.

D.

When configuring a BFD session supporting the BFD echo function, you need to configure both the local and remote discriminators.

Discussion
Question 22

In an OSPF routing domain, two routers must be specified as one DR and one BDR in a broadcast or NBMA network with at least two routers.

Options:

A.

TRUE

B.

FALSE

Discussion
Question 23

A route-policy can have multiple nodes, and each node can have multiple if-match and apply clauses. Which of the following statements are false?

Options:

A.

The operator between if-match clauses under a node is AND.

B.

The operator between nodes is AND.

C.

The operator between if-match clauses under a node is OR.

D.

The operator between nodes is OR.

Discussion
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