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Huawei H12-811 Online Practice Questions and Exam Preparation

H12-811 Exam Details

  • Exam Code
    :H12-811
  • Exam Name
    :HCIA-Datacom V1.0
  • Certification
    :Huawei Certifications
  • Vendor
    :Huawei
  • Total Questions
    :838 Q&As
  • Last Updated
    :May 26, 2026

Huawei H12-811 Online Questions & Answers

  • Question 261:

    Which of the following functions does the LCP protocol in the PPP protocol support? ()*

    A. Negotiate network layer address
    B. Negotiate authentication agreement
    C. Detect link loop
    D. Negotiated maximum receiving unit MRU

  • Question 262:

    Which of the following fields is not included in the HELL0 packet of the OSPF protocol?

    A. Nei ghbor
    B. sysname
    C. He11 oInt erval
    E. He11 oInt erval

  • Question 263:

    As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally.

    A. True
    B. False

  • Question 264:

    Which of the following commands can be used to check the session status of the PPPoE client? ()

    A. display current configuration
    B. display pppoe-client session summary
    C. display ip interface brief
    D. display pppoe-client sessi on packet

  • Question 265:

    The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()

    A. 10B
    B. 40B
    C. 60B
    D. 20B

  • Question 266:

    The route entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? ()*

    A. 10.0.0.23/30
    B. 10.0.0.28/30
    C. 10.0.0.26/30
    D. 10.0.0.24/30

  • Question 267:

    After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is? ()

    A. 17
    B. 2
    C. 6
    D. 1

  • Question 268:

    If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()

    A. 0.0.0.0
    B. 169.254.2.33
    C. 255.255.255.255
    D. 127.0.0.1

  • Question 269:

    At what layer of the OSI reference model does a router operate? ( )

    A. Data link layer
    B. Transport layer
    C. Application layer
    D. Network layer

  • Question 270:

    Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()

    A. Full
    B. 2-way
    C. Attempt
    D. Down

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