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HCIP-Datacom-Core Technology V1.0: H12-821

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HCIP-Datacom-Core Technology V1.0: H12-821

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  • Vendor: Huawei
  • Exam Code: H12-821
  • Exam Name: HCIP-Datacom-Core Technology V1.0
  • Certifications: Huawei Certifications
  • Total Questions: 312 Q&As( View Details)
  • Updated on: May 25, 2026
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Free H12-821 Exam Questions in PDF Format

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H12-821 Online Practice Questions and Answers

Questions 1

Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

A. 30

B. 3.3

C. 10

D. 40

Show Answer

Questions 2

Which of the following statements regarding DR/BDR are false?

A. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.

B. DR others listen on the multicast address 224.0.0.5.

C. All DR others establish neighbor relationships with DR and BDR only.

D. DR others listen on the network address 224.0.0.6.

Show Answer

Questions 3

After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

A. The cost of an IS-IS interface is changed.

B. The IP address of an ISIS interface is changed.

C. The level of an ISIS interface is changed.

D. The interval at which an IS-IS interface sends IIH packets is changed.

Show Answer More Questions

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