H12-891 Exam Details

  • Exam Code
    :H12-891
  • Exam Name
    :HCIE-Datacom V1.0
  • Certification
    :Huawei Certifications
  • Vendor
    :Huawei
  • Total Questions
    :923 Q&As
  • Last Updated
    :May 27, 2026

Huawei H12-891 Online Questions & Answers

  • Question 361:

    Router RL and Router R2 run BGP. Both routers are in AS65234. The route from Router R2 is present in the BGP routing table of Router RL, but not in the IP routing table of Router RL. What could be the cause of this problem?

    A. With BGP, both routers are in AS65234. Route propagation is handled correctly by the network.
    B. One cause of the problem could be that synchronization is turned off.
    C. The BGP neighbor relationship is down.
    D. Router RL does not enable BGP multi-hop. Routing is not optimal.

  • Question 362:

    Which of the following statements about IS-IS (Intermediate System to Intermediate System) are correct? (Choose three)

    A. IS-IS elects a Designated Intermediate System (DIS) using priorities, and if priorities are equal, it compares MAC addresses
    B. In a broadcast multi-access network, the DIS sends Hello PDUs (Protocol Data Units) at three times the frequency.
    C. The DIS ensures database synchronization by periodically sending Complete Sequence Number PDUs (CSNPs).
    D. The DIS supports a preemption function, and after a new DIS is successfully preempted, there is no need to flood any LSP (Link State PDU) packets.

  • Question 363:

    OSPF fast convergence is an extended feature to improve the convergence speed of routing. 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

  • Question 364:

    What check frames can IPSG set? (Choose three)

    A. Out of the interface
    B. MAC address
    C. IP address
    D. VLAN ID

  • Question 365:

    If IS-IS is used to transmit SIDs on an SR network, the node SIDs advertised by a Level-2 router are transmitted only within the same area.

    A. TRUE
    B. FALSE

  • Question 366:

    In the topology diagram, R1 can establish connections with R2 and R3 to access the Internet. R1 and R2, as well as R1 and R3, have EGP connections, while R2 and R3 belong to the same AS. Default routes are distributed separately through BGP. To ensure R2 is preferred for traffic from R1 to the Internet, which of the following actions can achieve this objective? (Choose two) A. R1 configures peer R3 to set the MED attribute to 150 in the inbound direction.

    B. R2 configures peer R1 to set the local preference to 150 in the outbound direction.

    C. R2 configures peer R1 to set the MED attribute to 150 in the outbound direction.

    D. R1 configures peer R2 to set the local preference in the inbound direction to 150.

    Correct Answer. AD

  • Question 367:

    DRAG DROP

    To deploy a virtual campus network using iMaster NCE-Campus, several steps must be performed. From top to bottom, sort the steps in the order in which they occur during network deployment and management.

    Select and Place:

  • Question 368:

    A home user has subscribed to a 1Mb/s bandwidth plan. To enhance user experience, the service provider can stabilize the speed at 2Mb/s during speed tests. If we use token bucket technology to achieve this requirement, which of the following configurations is optimal?

    A. cir 10000 pir 12000
    B. cir 10000 cbs 12000 pbs 12000
    C. cir 8000 pir 12000
    D. cir 10000 cbs 10000 pbs 12000

  • Question 369:

    Flavors can be used to enhance SRv6 instructions to meet more diversified service requirements. Which of the following are flavors? (Choose three)

    A. Penultimate Segment Pop of the SRH (PSP)
    B. Ultimate Segment Decapsulation (USD)
    C. Ultimate Segment Pop of the SRH (USP)
    D. Penultimate Segment Decapsulation (PSD)

  • Question 370:

    When the ABR is a Type 5/7 LSA switch router for the NSSA zone, the ABR can aggregate Type 7 LSAs that are converted into Type 5 LSAs.

    A. True
    B. False

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