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Huawei H12-891_V1.0-ENU exam : HCIE-Datacom V1.0

H12-891_V1.0-ENU Exam Simulator
  • Exam Code: H12-891_V1.0-ENU
  • Exam Name: HCIE-Datacom V1.0
  • Updated: Sep 27, 2026
  • Q & A: 611 Questions and Answers
  • Huawei H12-891_V1.0-ENU Q&A - in .pdf

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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
Routing and Switching- BGP fundamentals and policy control
- OSPF / IS-IS routing principles
IP Network Fundamentals- TCP/IP and OSI model
- Network architecture and protocols
Network Automation and Programmability- Network automation tools and APIs
- SDN concepts
Network Security- Network attack prevention and isolation
- Basic security mechanisms

Huawei HCIE-Datacom V1.0 Sample Questions:

Question #1

The default configured switch has an empty MAC address table at this time, and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system? (Single choice questions).

  • A. The switch will drop the data frame
  • B. The switch records the source MAC address of the data frame and floods the data frame
  • C. The switch will forward data to interface
  • D. based on the mesh MAC address of the data frame. The switch caches the data frame and waits for the destination host to send the effect frame before forwarding it
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

The following is correct about the LSA of OSPFv3

  • A. When the Referenced Link State Type-2 of the Intra-AreaPrefixLSA, referenced Link State ID Contains the interface ID of the DR
  • B. Inter-Area PrefirLSA also contains LinkLocal Information
  • C. The Link State ID of inter-area prefix-SA, which contains prefix information
  • D. Router-LSA and Network-LSA do not contain routing information
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #3

Is the following description of the OSPFv3 message correct?

  • A. The LSACK message contains LSA header information to confirm the receipt of LSU packets
  • B. Hello messages and the Option field for DD messages extends to 24-bit
  • C. The LSR message contains the complete LSA header information for requesting an update to the LSA
  • D. The interface ID of the sending interface must be included in the A Hello packet
Reveal Solution  Discussion  0

Correct Answer: A,B,D  🗳️

Question #4

CMPv6 uses the Type field to identify the message type, and according to the value of the type field, we can divide the ICMPv6 message into two categories, one is the error message and the other is the information message

  • A. True
  • B. False
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

In an MPLS BGPVPN environment, if tags are distributed only through BGP and LDP, the MPLS tags of the message can be up to two layers of tags

  • A. True
  • B. False
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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