Huawei Huawei Certifications H12-811 Questions & Answers

• Question 431:

  The correct statement about the transport layer protocol is ()

  A. UDP is suitable for the transmission of delay-sensitive traffic, and can be reorganized according to the sequence number field in the message header

  B. Well-known port number range is 0-1023

  C. UDP uses the STNOACK flag to request and confirm the establishment of a connection

  D. The establishment of a TCP connection is a three-way handshake, and the termination of a TCP connection requires a four-way handshake.

  Correct Answer: B

• Question 432:

  If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60() A. True

  B. False

  Correct Answer: A

• Question 433:

  The following statement about Python is incorrect ()

  A. Is a fully open source high-level programming language

  B. Has a rich third-party library

  C. Have a clear grammatical structure, easy to learn, and high efficiency for colleagues

  D. Can be used for automated operation and maintenance scripts, artificial intelligence data science and many other fields

  Correct Answer: A

• Question 434:

  During data access, when accessing different network segments, the destination MAEncapsulate the MAC address of the gateway on the source host

  A. True

  B. False

  Correct Answer: A

• Question 435:

  After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()

  A. Upgrade software version

  B. Establish a CAPTAP tunnel

  C. Request configuration file

  Correct Answer: C

• Question 436:

  VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configuration commands but cannot operate the file system? ()

  A. Configuration level

  B. Monitoring level

  C. Access level

  D. Management level

  Correct Answer: A

• Question 437:

  The following description about the specified port of the spanning tree is correct ()?

  A. The designated port can forward configuration BPDU packets to the network segment connected to it

  B. The port on the root switch must not be a designated port

  C. Each switch has only one designated port

  D. The port on the root switch must be a designated port

  Correct Answer: A

• Question 438:

  Which of the following statements about link aggregation are correct? ()

  A. GE electrical interfaces and GE optical interfaces cannot be added to the same Eth- Trurnk interface

  B. Eth-Trurnk interfaces cannot be nested

  C. When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same

  D. GE interface and FE interface cannot be added to the same Eth-Trunk interface

  Correct Answer: B

• Question 439:

  FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding without A()

  A. True

  B. False

  Correct Answer: A

• Question 440:

  Which of the following parameters is not included in the configuration BPDU of the STP protocol? ()

  A. VLAN ID

  B. Bridge ID

  C. Root ID

  Correct Answer: B