Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 401:

  Which of the following command is to configure VRRP preemption delay?

  A. vrrp vrid 1 preempt-mode timer delay 20
  B. vrrp vrid 1 preempt-delay 20
  C. vrrp vrid 1 preempt-timer 20
  D. vrrp vrid 1 timer delay 20
  A. vrrp vrid 1 preempt-mode timer delay 20

• Question 402:

  The following figure about NDP's process of resolving link-layer addresses is correct.

  

  A. True
  B. False
  A. True

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• Question 403:

  For a VRRP virtual router configured with a VRID of 3 and a virtual IP address of 100.1.1.10, what is the virtual MAC address?

  A. 00-00-5E-00-01-64
  B. 01-00-5E-00-01-03
  C. 01-00-5E-00-01-54
  D. 00-00-5E-00-01-03
  D. 00-00-5E-00-01-03

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• Question 404:

  In Huawei switches, the hybrid port can select VLAN 1 as an untagged VLAN.

  A. True
  B. False
  A. True

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  Explanation

• Question 405:

  In different scenarios, RSTP provides different protection functions. Which of the following statements about these protection features is incorrect?

  A. Enabling root protection on a specified port restricts its role to the designated type only.
  B. With the anti-TC-BPDU packet attack feature enabled, the rate at which the switching device processes IC BPDU packets can be configured per unit time.
  C. When BPDU protection is enabled, if an edge port receives an RST BPDU, it becomes a non-edge port and the spanning tree recalculation is performed.
  D. When root protection is enabled on a specified port and it receives a superior RST BPDU, it enters the Discarding state and ceases forwarding packets. If no superior RST BPDU is received for a period, it automatically returns to the normal Forwarding state.
  C. When BPDU protection is enabled, if an edge port receives an RST BPDU, it becomes a non-edge port and the spanning tree recalculation is performed.

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  Explanation

• Question 406:

  When the shutdown command is executed to close the interface between two directly attached devices with an established IBGP neighbor relationship, the BGP connection is not immediately disconnected.

  A. TRUE
  B. FALSE
  A. TRUE

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  Explanation

• Question 407:

  What is the router ID length supported by OSPFv3?

  A. 128 bits
  B. 64 bits
  C. 100 bits
  D. 32 bits
  D. 32 bits

• Question 408:

  Which of the following statement about a route leak of IS-IS is correct?

  A. Route leaks for IS-IS must be deployed on Level-1 routers.
  B. Route disclosure for IS-IS is turned on by default.
  C. Route disclosure for IS-IS avoids suboptimal paths.
  D. Route leaks for IS-IS can only be applied to IPv4 environments.
  C. Route disclosure for IS-IS avoids suboptimal paths.

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• Question 409:

  Which of the following statements is incorrect about access control on small and midsize campus networks based on the Huawei CloudCampus solution?

  A. iMaster NCE can function as an authentication server.
  B. Cloud APs support local Portal authentication.
  C. iMaster NCE can function as a Portal relay device.
  D. iMaster NCE can interconnect with a third-party RADIUS server.
  B. Cloud APs support local Portal authentication.

• Question 410:

  Which of the following description about IGMPv1 and IGMPv2 is correct? (Choose three)

  A. IGMPv2 message types include member leave packets
  B. IGMPv2 does not support specific group queries
  C. IGMPv1 supports general group queries
  D. IGMPv1 message types do not include member leave packets
  A. IGMPv2 message types include member leave packets
  C. IGMPv1 supports general group queries
  D. IGMPv1 message types do not include member leave packets

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