Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 521:

  What is the radius of the Fresnel zone if the distance between the receive and transmit antennas is 5 km (take the 5 GHz frequency band as an example)?

  A. 3.6 m
  B. 5.6 m
  C. 8 m
  D. 9.7 m
  C. 8 m

• Question 522:

  Which of the following are radio calibration methods? (Multiple Choice)

  A. Global radio calibration
  B. Interface radio calibration
  C. Partial radio calibration
  D. Process radio calibration
  A. Global radio calibration
  C. Partial radio calibration

• Question 523:

  As shown in the figure, for the part of the RF tuning process, the following steps are correct for the RF tuning operation steps?

  A. d, a, b, c
  B. a, b, d, c
  C. a, d, b, c
  D. a, b, c, d
  B. a, b, d, c

• Question 524:

  An engineer wants to modify user information on the Agile Controller but finds that it cannot be modified. What is the possible cause? (Multiple Choice)

  A. The engineer's Agile Controller account does not have the corresponding permission.
  B. User information is synchronized from the AD directory server.
  C. The same user information is created on the Agile Controller.
  D. Related user information is deleted from the AD directory server.
  A. The engineer's Agile Controller account does not have the corresponding permission.
  B. User information is synchronized from the AD directory server.

• Question 525:

  Regarding RF tuning, which of the following adjustments are made to ensure that the AP works at its best?

  A. AP channel adjustment
  B. AP signal to noise ratio adjustment
  C. AP power adjustment
  D. Dynamic EDCA parameter adjustment
  A. AP channel adjustment
  C. AP power adjustment

• Question 526:

  The channel switching service is not interrupted. When the AP switches channels, the terminal is notified to the terminal in advance, and the time for switching the channel is agreed. When the AP and the terminal switch channels, the service is not interrupted.

  A. Correct
  B. False
  A. Correct

• Question 527:

  If an online AP on the active AC is added offline to the standby AC, the AP status is displayed as fault on the standby AC. In this case, you can run the undo hsb enable command to disable the HSB function in the HSB group view on the standby AC, and then run the HSB enable command to enable the HSB function. In this way, information on the active and standby ACs is the same and the AP status is displayed as standby on the standby AC.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 528:

  Regarding the description of roaming, is the following statement correct?

  A. APs that implement wireless roaming must be in the same basic service set (BSS)
  B. APs that implement wireless roaming must be in the same extended service set (ESS)
  C. APs that implement wireless roaming must have signal coverage overlap areas
  D. APs that implement wireless roaming do not need to have signal coverage overlap areas.
  B. APs that implement wireless roaming must be in the same extended service set (ESS)
  C. APs that implement wireless roaming must have signal coverage overlap areas

• Question 529:

  When the air interface frame is a data frame, you need to compare the DS value. What is the ratio of To DS and From DS? Is the device type AP?

  A. 0,0
  B. 0,1
  C. 1,0
  D. 1,0
  B. 0,1

• Question 530:

  Which of the following commands can be used to view the AP group or AP profile information of a specified Mesh profile?

  A. display references mesh-profile
  B. display references ap-system-profile
  C. display references wired-port-profile
  D. display references radio-5g-profile
  A. display references mesh-profile