Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 511:

  The following figure shows partial IS-IS configurations on R1. Based on these configurations, which of the following statements about IS-IS on R1 are correct? (Choose two)

  isis 1 is-level level-2 cost-style wide network-entity 49.0022.ee8c.a0c2.baf1.00

  isis 2 vpn-instance tt is-level level-2 cost-style wide network-entity 47.00ce.390d.efdc.b3e1.00

  isis 3 vpn-instance rr is-level level-2 cost-style wide network-entity 47.cc0a.3efb.bbdd.aae1.00

  A. Process 1 contains the global routing information and the routing information of VPN instances tt and rr.
  B. Routing information is shared between processes 2 and 3.
  C. Process 1 contains only global routing information.
  D. The routing information of process 2 is isolated from that of process 3.
  C. Process 1 contains only global routing information.
  D. The routing information of process 2 is isolated from that of process 3.

• Question 512:

  The following statement describes Type 5 LSAs in OSPF, which are used to advertise external routes. Which of the following statements about Type 5 LSAs is incorrect?

  A. Type 5 LSAs flood in OSPF networks in non-Stub/NSSA areas
  B. Routers in the same area as the ASBR can calculate external routes by processing Type 5 LSAs in the area
  C. The FA address is included in Type 5 LSAs, and the FA address 0.0.0.0 is reserved and has no practical purpose
  D. Configuring appropriate filtering policies on the ABR or ASBR can filter Type 5 LSAs
  C. The FA address is included in Type 5 LSAs, and the FA address 0.0.0.0 is reserved and has no practical purpose

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• Question 513:

  Which of the following statement for the VXLAN message is correct? (Choose three)

  A. The outer destination IP address is the IP address of the VTEP at the far end of the VXLAN tunnel.
  B. The source UDP port number is 4789.
  C. The destination UDP port number is 4789.
  D. VNI has 24 bits to distinguish the VXLAN segment.
  A. The outer destination IP address is the IP address of the VTEP at the far end of the VXLAN tunnel.
  C. The destination UDP port number is 4789.
  D. VNI has 24 bits to distinguish the VXLAN segment.

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  Explanation

• Question 514:

  Which of the following technologies can be used to measure performance based on actual service traffic in Huawei's CloudWAN solution?

  A. TWAMP
  B. BGP FlowSpec
  C. Telemetry
  D. iFIT
  D. iFIT

• Question 515:

  DRAG DROP

  The figure shows a packet that contains three label headers. Select the values (in decimal notation) of the X, Y, and Z fields, respectively.

  Select and Place:

  

  

• Question 516:

  A company deployed SSM multicast. In order to save the bandwidth consumption of multicast data in the LAN, the network administrator made the following configuration on the switch.

  A. True
  B. False
  B. False

• Question 517:

  If a router only needs to forward IPv6 packets, you do not need to configure any IPv4 agreements or addresses on that router.

  A. True
  B. False
  A. True

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• Question 518:

  MPLS does not enable penultimate-hop popping, and the penultimate hop label can be the same.

  A. TRUE
  B. FALSE
  B. FALSE

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  Explanation

• Question 519:

  Which attribute meets the following two conditions? (Choose two)

  1. BGP Router A can choose whether the Update message is based on this attribute.

  2. If Router B receives an Update message containing this attribute, Router B does not recognize the attribute, but will still include it when sending the Update to Router C. Router C may recognize and apply this attribute.

  A. Aggregator
  B. Local_Pref
  C. Multi_Exit_Disc
  D. Community
  A. Aggregator
  D. Community

• Question 520:

  The switch uses IPSG technology to verify the source address of the IP packet, and the verification matrix used by IPSG is obtained through the ARP resolution process in the listening network.

  A. True
  B. False
  B. False