Huawei H12-891_V1.0-ENU Q&A - in .pdf

  • H12-891_V1.0-ENU pdf
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 06, 2026
  • Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Value Pack
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  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
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  • Updated: Sep 06, 2026
  • Q & A: 611 Questions and Answers
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  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 06, 2026
  • Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

SectionObjectives
Advanced Networking Technologies- IPv6 deployment and transition
- MPLS and VPN technologies
Network Security- Basic security mechanisms
- Network attack prevention and isolation
IP Network Fundamentals- Network architecture and protocols
- TCP/IP and OSI model
Routing and Switching- BGP fundamentals and policy control
- OSPF / IS-IS routing principles
Network Automation and Programmability- SDN concepts
- Network automation tools and APIs

Huawei HCIE-Datacom V1.0 Sample Questions:

Question #1

Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, then which class LSA Will it be aggregated?

  • A. 3 kind LSA
  • B. 5 Class LSA
  • C. 1 Class LSA
  • D. 2 kind LSA
  • E. 4 kind LSA
Answer: C,D
Question #2

Why is BGP an enhanced distance vector routing protocol?

  • A. According to the routing rules of BGP routing, the route with lower MED is preferred
  • B. BGP cannot accept routes that carry a local AS number in the AS_PATH
  • C. NEXT_HOP is a recognized mandatory attribute
  • D. BGP uses the ASPATH attribute to record all autonomous system numbers that a route passes through into an AS list, and based on that attribute, routes with shorter AS-PATH are preferred
Answer: D
Question #3

OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

  • A. TRUE
  • B. FALSE
Answer: B
Question #4

IGMP SSMMapping is bound to multicast through a static multicast source, so that members of IGMPv1 and IGMP2 can also access the SSM multicast network. The following statement about IGMPSSMMapping is wrong? (Radio).

  • A. If the IGMP SSM Mapping feature is not enabled, neither IGMPv1 nor IGMPv2 supports multicast for deploying SSM modules
  • B. IGMP SSM Mapping does not process reporting messages from IGMPv3 In order to ensure that the same network segment runs any version
  • C. The multicast address of the SSM is 232000~232255255255
  • D. IGMP hosts can make SSM services run IGMPv3 on the multicast router socket connected to the network segment where the member host is located
Answer: B
Question #5

Link state information is isolated by default between different IS-IS processes on the same router.

  • A. TRUE
  • B. FALSE
Answer: A

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