Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 381:

  As shown in the figure, Client1, Client2, and Client3 are all clients of RR1. R1 introduces 10 routes. Assuming that BGP is configured correctly and the neighbor relationships have been established, how many route entries exist in the BGP routing table of Client3?

  

  A. 15
  B. 10
  C. 20
  D. 1
  B. 10

• Question 382:

  In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following fields is not carried in BGP EVPN Type 2 routes?

  A. IP Prefix
  B. IP Address
  C. L3VNI
  D. L2VNI
  A. IP Prefix

• Question 383:

  In a multicast network running PIM-SM mode, how does the router choose the upstream interface?

  A. Looks up the outgoing interface corresponding to the RP address in the unicast routing table
  B. The interface to which multicast group members are directly connected
  C. Finds the outgoing interface corresponding to the mapping agent in the unicast routing table
  D. The interface that receives the PIM Join message the fastest
  E. The interface used to send PIM Hello messages
  A. Looks up the outgoing interface corresponding to the RP address in the unicast routing table

• Question 384:

  You have developed a third-party Portal authentication application and connected it to iMaster NCE-Campus to perform Portal authentication for Wi-Fi users. After connecting to Wi-Fi, a user will be redirected to the login page pushed by the authentication application when visiting any website for the first time.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 385:

  D-class IP address range: 239.0.0.0 – 239.255.255.255. What does 255 represent?

  A. SSM multicast address; the multicast address range is valid for the whole network.
  B. Any legitimate multicast traffic and multicast applications can adopt this address.
  C. Locally managed multicast address, which is valid only locally.
  D. Link-local multicast address, where traffic using that address includes network control messages, and that address range is only the multicast address segment used by the routing protocol.
  C. Locally managed multicast address, which is valid only locally.

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  Explanation

• Question 386:

  To shorten an IPv6 address, you should compress it as much as possible. The existing IPv6 address is:

  2013:0:0C13:0F00:6009:0C08:7641:308

  Which of the following is the correct compressed form?

  A. 2013:0:130F:0:0:09C0:876A:130B
  B. 2013:130F::9C0:876A:130B
  C. 2013:0:130F:0:0:9C0:876A:130B
  D. 213::13F::9C:876A:13B
  E. 2013:0:130F::9C0:876A:130B
  E. 2013:0:130F::9C0:876A:130B

• Question 387:

  Regarding the concept of a site in the BGP/MPLS IP VPN network architecture, which of the following descriptions is correct? (Choose four) A. Under no circumstances can different sites that belong to the same VPN use overlapping address spaces

  B. Two geographically separated networks must belong to different sites

  C. Terminals connected to the carrier network through the same CE may belong to different sites

  D. A site is a set of IP systems, and a network of hosts cannot be called a site

  Correct Answer. ABCD
  ABCD

• Question 388:

  In OSPFv3, Router-LSA is generated by each router. It describes the interface address and cost of each link of the router, and also includes the Router ID of the neighbor router.

  A. True
  B. False
  B. False

• Question 389:

  What are the ways to divide VLANs in Huawei switches? (Choose three)

  A. Subnetting based on IP
  B. Division based on QoS
  C. Partitioning based on port
  D. Division based on protocol
  E. Division based on MAC address
  A. Subnetting based on IP
  C. Partitioning based on port
  D. Division based on protocol

• Question 390:

  On a CloudCampus virtualized campus network, service data enters different VNs from physical networks through edge nodes, and the VN that the data will enter is determined by the VLANs to which users belong. Which of the following statements about dynamic VLAN authorization is incorrect?

  A. When wired users pass 802.1X authentication, they join the authorization VLANs delivered to edge nodes.
  B. When wireless users pass Portal authentication, they join the authorization VLANs delivered to edge nodes.
  C. When wireless users pass 802.1X authentication, they join the authorization VLANs delivered to edge nodes.
  D. When wired users pass MAC address authentication, they join the authorization VLANs delivered to edge nodes.
  B. When wireless users pass Portal authentication, they join the authorization VLANs delivered to edge nodes.