Huawei Huawei Certifications H12-811 Questions & Answers

• Question 791:

  A gateway must be configured for communication between a host and other hosts.

  A. True

  B. False

  Correct Answer: A

• Question 792:

  Which of the following statements about routers is false?

  A. A router works at the network layer.

  B. A router cannot isolate broadcast domains.

  C. A router can function as a gateway.

  D. A router can forward IP packets.

  Correct Answer: B

• Question 793:

  As shown in the figure, which of the following ports will be in blocking state?

  

  A. G0/0/2 of SWC

  B. G0/0/3 of SWB

  C. G0/0/1 of SWC

  D. G0/0/3 of SWA

  Correct Answer: B

• Question 794:

  Which of the following bridge IDs cannot exist in configuration BPDUs sent by a switch?

  A. 4096 00-01 -02-03-04-CC

  B. 0 00-01-02-03-04-CC

  C. 2048 00-01-02-03-04-CC

  D. 8192 00-01-02-03-04-CC

  Correct Answer: D

• Question 795:

  On the network shown in the figure, router A adopts link aggregation in manual load balancing mode, and G0/0/1 and G0/0/2 are added to link aggregation group (LAG) 1. Which of the following statements is false about Eth-Trunk 1 on router A?

  

  A. If only G0/0/2 on router B is disabled, Eth-Trunk 1 is Up.

  B. If both G0/0/1 and G0/0/2 on router B are disabled, Eth-Trunk 1 is Down.

  C. If only G0/0/1 on router B is disabled, Eth-Trunk 1 is Up.

  D. If both G0/0/1 and GO/O/2 on router B are disabled, Eth-Trunk 1 is Up.

  Correct Answer: D

• Question 796:

  The last option field (option) of an IPv4 packet is a length-variable and optional field. What is the maximum length of this field?

  A. 40B

  B. 10B

  C. 20B

  D. 60B

  Correct Answer: D

• Question 797:

  Which of the following are not layers in the TCP/IP model? (Choose all that apply.)

  A. Session layer

  B. Network layer

  C. Application layer

  D. Presentation layer

  E. Transport layer

  Correct Answer: AD

• Question 798:

  Compared with STP, which of the following port roles does RSTP add? (Choose all that apply.)

  A. Root port

  B. Designated port

  C. Alternate port

  D. Backup port

  Correct Answer: ABD

• Question 799:

  When two switches are connected through link aggregation, what are the requirements for the interfaces on the two switches? (Choose all that apply.)

  A. The physical interface rates of the interconnected switches are the same.

  B. The physical interface IDs of the interconnected switches are the same.

  C. The duplex modes of the physical interfaces on the interconnected switches are the same.

  D. The physical interface quantities of the interconnected switches are the same.

  E. The models of the optical modules used by the interconnected switches are the same.

  Correct Answer: ACD

• Question 800:

  Which of the following networks are LANs? (Choose all that apply.)

  A. Internet

  B. Home network

  C. Office network of a company

  D. Broadband MAN

  Correct Answer: BC