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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 621:

    In the STP protocol, which of the following factors will affect the election of the root switch? ()*

    A. IP address of the switch
    B. Switch interface ID
    C. Switch interface bandwidth port
    D. Switch priority
    E. MAC address of the switch

  • Question 622:

    The administrator hopes that all hosts cannot access the Internet from 8:00-17:00 every day, so in the interface configuration of GO/0/1, trahic-HIter outbounWhich ACL rule needs to be bound? ()

    A. time-range am9topm5 08:00 to working-day Acl number 2003 rule 5 deny time-range am9topjni5
    B. time-range am9topm5 08:00 to 17:00 off-day acl number 2004 rule 5 permit timerange
    C. time-range am9topm5 08:00 to 17:00 daily acl number 2001 rule 5 deny time-range am9topm5
    D. time-range am9topm5 07:00 to 18:00 daily Acl number 2002

  • Question 623:

    Basic ACL number value range ().

    A. 2000-2999
    B. 1000-1999
    C. 3000-3999
    D. 4000-4999

  • Question 624:

    By default, the root path cost of the root bridge in the STP protocol must be 0 ()

    A. True
    B. False

  • Question 625:

    Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()

    A. True
    B. False

  • Question 626:

    Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()

    A. Improve safety
    B. Achieve load sharing
    C. Increase bandwidth
    D. Improve reliability

  • Question 627:

    How many types of data flows with different service levels can be marked based on MPLS labels? ()

    A. 4
    B. 2
    C. 16
    D. 8

  • Question 628:

    What kind of packets does the OSPF protocol use to send LSAs to neighbors? ()

    A. LSU
    B. LSACK
    C. LSR
    D. LSA

  • Question 629:

    NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct ().

    A. The correspondence between port numbers and private addresses must be manually configured
    B. No need to do any configuration about port number
    C. Only need to configure the range of port numbers
    D. Need to use ACL to assign port numbers

  • Question 630:

    DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP protocol.

    A. True
    B. False

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