Huawei Huawei Certifications H12-891 Questions & Answers

• Question 321:

  What are the main reasons why RSTP converges faster than STP?

  A. RSTP increases the variety of port states

  B. RSTP has a smaller overhead

  C. RSTP does not converge based on timer

  D. RSTP has a smaller timer

  Correct Answer: C

• Question 322:

  In the forwarding table of the switch, a MAC address can correspond to only one outlet at a time

  A. True

  B. False

  Correct Answer: B

• Question 323:

  Each DD message has a sequence number for data confirmation, and a DD sequence number is 2 bytes long

  A. True

  B. False

  Correct Answer: B

• Question 324:

  What messages does an NMS (Network Management Station) running SNMPV1 send to the agent?

  A. Trap,Get ? Set

  B. Get, Set ?Getnext

  C. Get,Set,Getnext ? GetBulk

  D. Get,Set ? GetBulk

  E. ? Trap

  Correct Answer: B

• Question 325:

  What messages can Huawei equipment suppress traffic for?

  A. Multicast

  B. Known unicast

  C. Broadcast

  D. Unknown unicast

  Correct Answer: BCD

• Question 326:

  The Path Selection tool can define multiple entries, which of the following tools will automatically generate a rejection of any entries at the end of the slot

  A. Community -filter

  B. IP-prefix

  C. Route policy

  D. AS-Path- filter

  Correct Answer: ABCD

• Question 327:

  The following description of the Lsp shard extension for ISIS is correct?

  A. Enables is routers to generate more LSP shards to carry more ISIS information.

  B. Isis' shard extension is equally valid for Hello packets.

  C. Shard scaling for ISIS is achieved by adding virtual systems, up to 1000 virtual systems.

  D. The isis router can produce a maximum of 1024 shards.

  Correct Answer: A

• Question 328:

  The network administrator defines a traffic policing policy as follows:

  

  A. 256K bytes

  B. 48128 bytes

  C. 32K bytes

  D. 80128 bytes

  Correct Answer: C

• Question 329:

  Use ping-ax-cY-sZ-vpn-instance M 105162, which has the meaning of

  A. IcMP request for the ping, message size Z (without IP and ICMP headers)

  B. The source IP address of the ping packet is X

  C. The ping belongs to the VPN instance M

  D. The ping sends Y ICMP requests

  Correct Answer: ABCD

• Question 330:

  An existing router running BGP, HW1, has both IBGP neighbors and EBGP neighbors configured on the router. Are the IP Neighbors and EBGP Neighbors described below correctly?

  A. The router will be connected directly from its EBGP IBGP neighbor, otherwise, IBGP- Multi-hop must be configured

  B. The router sends BGP updates learned from its EBGP neighbors to its other IBGP neighbors and EBGP neighbors

  C. IBGP neighbors can establish neighbor relationships through Loopback engagements

  D. The router sends BGP updates learned from its IBGP neighbors to its other IBGP neighbors and EPGP neighbors

  E. EBGP neighbors must be directly connected, otherwise, EBGP-Multi-hop must configure

  Correct Answer: BCE