Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 451:

  In the channel switching service uninterrupted feature, the mechanism for announcing a terminal to switch channels is defined by the 802.11h protocol.

  A. Correct
  B. False
  A. Correct

• Question 452:

  As shown in the figure, a point-to-point link with a length of 3km, an office building with a height of 9.1m from the ground at the midpoint of the link. If the signal transmission frequency is 5.8GHz, please refer to the following formula according to the actual situation. What is the minimum installation height on the ground?

  A. 9.1m
  B. 10m
  C. 13m
  D. 18m
  C. 13m

• Question 453:

  Which of the following statement is TRUE about AP functions in the implementation of radio calibration?

  A. APs can passively collect radio environment information.
  B. APs need to send the collected radio environment information to the AC, and the AC uniformly delivers the calibration result.
  C. APs can actively collect radio environment information.
  D. The APs can implement radio calibration by themselves and do not need to send the collected radio environment information to the AC.
  D. The APs can implement radio calibration by themselves and do not need to send the collected radio environment information to the AC.

• Question 454:

  In the dual-link cold standby load balancing networking shown in the figure, API has gone online and set up the primary CAPWAP tunnel with AC1. Which of the following are the possible time points will an active/standby switchover occur under normal circumstances after the primary CAPWAP tunnel between API and AC1 is disconnected? (Multiple Choice)

  

  A. 120 seconds
  B. 130 seconds
  C. 145 seconds
  D. 155 seconds
  B. 130 seconds
  C. 145 seconds

• Question 455:

  What is the user identity data system supported by the Agile Controller?

  A. Ordinary account creation
  B. Third Party Certification System
  C. Digital certificate
  D. MAC bypass certification
  A. Ordinary account creation
  B. Third Party Certification System
  C. Digital certificate

• Question 456:

  From the roaming process, which of the following processes does roaming need to go through?

  A. Roaming measurement
  B. Roaming recognition
  C. Roaming decision
  D. Roaming execution
  A. Roaming measurement
  C. Roaming decision
  D. Roaming execution

• Question 457:

  In a WLAN network environment, after a Spoof spoofing attack, the attacking terminal cannot be determined by the MAC address.

  A. Correct
  B. False
  A. Correct

• Question 458:

  In the WLAN network with WIDS enabled, what is the correct statement about illegal devices?

  A. So the Ad-hoc device will be directly determined to be an illegal device.
  B. The AC is not connected to the AP as a rogue AP.
  C. The local AC access STA is not an illegal STA.
  D. It is not the AC accessing the STA. It is also necessary to check whether the access AP is legal.
  A. So the Ad-hoc device will be directly determined to be an illegal device.
  D. It is not the AC accessing the STA. It is also necessary to check whether the access AP is legal.

• Question 459:

  In the intelligent roaming, the 802.11k-capable terminal can actively collect the neighbor AP information and report it to the associated AP.

  A. Correct
  B. False
  A. Correct

• Question 460:

  If time is specified as an authorization element, what is the purpose of configuring time in authentication and authorization rules?

  A. To limit the total duration for the user connection.
  B. To specify the point of time at which user access is allowed.
  C. To specify the point of time before which the user must disconnect from the network.
  D. To specify the time period in which user access is allowed.
  D. To specify the time period in which user access is allowed.