Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 91:

  In the N+1 backup networking shown in the figure, AC3 is the standby AC of AC1 and AC2. The number of online APs on active AC1 is 1024 and the configured maximum number of online APs allowed on AC1 is 2048. The number of online APs on active AC2 is 512 and the configured maximum number of online APs allowed on AC2 is 512. What is the minimum number of APs allowed to connect to AC3 under normal circumstances, and what is the minimum number of online APs allowed to be configured on AC3?

  

  A. 2048, 1024
  B. 1024, 2048
  C. 3072, 512
  D. 1024, 2560
  D. 1024, 2560

• Question 92:

  In the wireless admission control scenario, which of the following methods is recommended to distinguish between internal employees and external visitors?

  A. According to different user names
  B. According to whether the wireless terminal MAC address is registered or not
  C. Set different SSIDs for employees and visitors
  D. According to the type of wireless terminal
  C. Set different SSIDs for employees and visitors

• Question 93:

  Which statements about roaming are TRUE? (Multiple Choice)

  A. The APs an STA can roam to must be in the same basic service set (BSS).
  B. The APs an STA can roam to must be in the same extended service set (ESS).
  C. The APs an STA can roam to must have overlapping signal coverage.
  D. The APs an STA can roam to do not need to have overlapping signal coverage.
  B. The APs an STA can roam to must be in the same extended service set (ESS).
  C. The APs an STA can roam to must have overlapping signal coverage.

• Question 94:

  The general antenna is reversible, that is, the same antenna can be used as a transmitting antenna or as a receiving antenna. The same characteristic parameters of the same antenna as transmitting or receiving are the same.

  A. Correct
  B. False
  A. Correct

• Question 95:

  Which of the following formulas for calculating the Fresnel zone radius and Earth curvature are TRUE? (Multiple Choice)

  

  A. (a)
  B. (b)
  C. (c)
  D. (d)
  A. (a)
  B. (b)
  D. (d)

• Question 96:

  In a scenario that uses the Agile Controller to implement admission control, which of the following statements is TRUE about the roles of the RADIUS server/client?

  A. The Agile Controller integrates all functions of the RADIUS server and client.
  B. The Agile Controller functions as the RADIUS server, while the user terminal functions as the RADIUS client.
  C. The authentication device (for example, 802.1x-enabled switch) functions as the RADIUS server, while the user terminal functions as the RADIUS client.
  D. The Agile Controller functions as the RADIUS server, while the authentication device functions as the RADIUS client.
  D. The Agile Controller functions as the RADIUS server, while the authentication device functions as the RADIUS client.

• Question 97:

  In the WLAN network using the Agile Controller as the admission controller, which of the following options is not the cause of the 802.1x authentication failure?

  A. The key of the Agile Controller access device is inconsistent with the configuration key on the device.
  B. The billing cycle is not configured
  C. Port 1813 is occupied on the server.
  D. Authorization rule matching is to deny access
  B. The billing cycle is not configured

• Question 98:

  In a WLAN project, when an engineer upgrades the AC, the AC system is damaged due to an accidental power failure. In which case can the AC be upgraded in the following way?

  A. Command line upgrade
  B. Web network management upgrade
  C. Boot upgrade
  D. eSight network management upgrade
  C. Boot upgrade

• Question 99:

  On a WLAN, which of the following attack detection functions require support of the dynamic blacklist function? (Multiple Choice)

  A. Flooding attack detection
  B. Spoofing attack detection
  C. Weak IV attack detection
  D. Brute force attack detection
  A. Flooding attack detection
  D. Brute force attack detection

• Question 100:

  Which of the following are not the types of messages used in the Mesh neighbor establishment process?

  A. Mesh Peering Open
  B. Mesh Peering Confirm
  C. Hello
  D. Mesh Peering Close
  C. Hello
  D. Mesh Peering Close