Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 281:

  Which of the following statement about the concept of multicast is incorrect?

  A. Multicast Source: The sender of the message needs to join the multicast group to provide forwarding of multicast group messages
  B. Multicast Router: A router or Layer-3 switch that supports Layer-3 multicast functionality
  C. Multicast Group Members: Multicast group members can be widely distributed anywhere in the network
  D. Multicast Groups: A collection identified by IP multicast addresses
  A. Multicast Source: The sender of the message needs to join the multicast group to provide forwarding of multicast group messages

• Question 282:

  Which layers are common in both the OSI reference model and the TCP/IP model? (Choose two)

  A. Session layer
  B. Data link layer
  C. Transport layer
  D. Presentation layer
  E. Physical layer
  F. Application layer
  C. Transport layer
  F. Application layer

• Question 283:

  The main routing policy tools that BGP can use are Filter-policy and Route-policy. Filter-policy can only filter routes, whereas Route-policy can both filter and modify routes.

  A. TRUE
  B. FALSE
  B. FALSE

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  Explanation

• Question 284:

  Which of the following statements about static VXLAN tunnel configuration is correct?

  A. A BD needs to create an NVE country, and when there are multiple BDs, multiple NVE interfaces must be created.
  B. An NVE interface can be associated with multiple VNIs, so only one NVE interface can be created when there are multiple BDs.
  C. For a VXLAN tunnel, you need to create a corresponding NVE interface, in which you explicitly specify the source IP address and the destination IP address, so multiple VXLAN tunnels on the VTEP must use VE interfaces.
  D. The destination address of the VXLAN tunnel is specified in the NVE interface, and multiple VXLAN tunnels can create only one NVE interface.
  D. The destination address of the VXLAN tunnel is specified in the NVE interface, and multiple VXLAN tunnels can create only one NVE interface.

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  Explanation

• Question 285:

  When a Layer 3 switch sends IP packets originated from one VLAN to another LAN, which of the following fields is overridden?

  A. Layer 3 TTL
  B. Layer 3 destination address
  C. Layer 3 source address
  D. Layer 3 transport protocol
  E. Layer 2 TTL
  A. Layer 3 TTL

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• Question 286:

  The free mobility function is deployed on the iMaster NCE-Campus on a campus network. Which of the following information should an administrator pay attention to? (Choose four)

  A. Define security groups.
  B. Deliver the inter-group policy.
  C. Deploy a policy control matrix.
  D. Select the policy enforcement point.
  A. Define security groups.
  B. Deliver the inter-group policy.
  C. Deploy a policy control matrix.
  D. Select the policy enforcement point.

• Question 287:

  What is the most effective way to view device warnings through the CLI?

  A. Display alarm
  B. Display current-configuration
  C. Display interface brief
  D. Display clock
  A. Display alarm

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  Explanation

• Question 288:

  The BGP ORF function can be used to control the maximum number of routes that can be sent by a BGP peer. To achieve this, which of the following tools is used to send such a route list to BGP peers?

  A. Filter-policy
  B. Route-policy
  C. ACL
  D. IP prefix-list
  D. IP prefix-list

• Question 289:

  Which of the following statements about the SP scheduling algorithm is incorrect?

  A. If the SP scheduling algorithm is used and a high-priority queue occupies a large amount of bandwidth, the low-priority queue may be starved.
  B. The SP scheduling algorithm preferentially schedules high-priority queues.
  C. When the SP scheduling algorithm is used to schedule multiple low-priority queues, the data packets that enter the queue first are forwarded first.
  D. To ensure the quality of key services, the SP algorithm can be used to schedule services and set the minimum bandwidth.
  D. To ensure the quality of key services, the SP algorithm can be used to schedule services and set the minimum bandwidth.

• Question 290:

  Which of the following are advantages of GRE tunnels? (Choose three)

  A. GRE tunnels enlarge the scope of a hop-limited network
  B. GRE tunnels can be used to construct VPN networks
  C. ARP packets can be encapsulated through GRE tunnels
  D. Multicast data can be encapsulated through GRE tunnels
  B. GRE tunnels can be used to construct VPN networks
  C. ARP packets can be encapsulated through GRE tunnels
  D. Multicast data can be encapsulated through GRE tunnels