Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 341:

  Which of the following formulas about the Earth curvature is TRUE?

  

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

• Question 342:

  Antennas differ from signal amplifiers in that they do not require power for passive devices, but only direct and shape wireless signals.

  A. Correct
  B. False
  A. Correct

• Question 343:

  Which of the following statements about the second Fresnel zone are TRUE? (Multiple Choice)

  A. The wave has a different phase from the point source.
  B. The wave has the same phase as the point source.
  C. Smaller than the first Fresnel zone
  D. Larger than the first Fresnel zone
  A. The wave has a different phase from the point source.
  D. Larger than the first Fresnel zone

• Question 344:

  In the same-frequency mesh network, the transmission bandwidth of two APs is about 200M. What is the average transmission bandwidth when an AP is added?

  A. Up to 200M
  B. Up to 150M
  C. Up to 100M
  D. Up to 50M
  C. Up to 100M

• Question 345:

  In public places where WLAN services are available, such as banks and airports, users can connect to the WLANs after associating with corresponding SSIDs. If a rogue AP is deployed and provides bogus SSIDs the same as or similar to authorized SSIDs, users may connect to the rogue AP, which brings security risks. Which of the following functions can solve this problem?

  A. WIDS rogue device countermeasure
  B. WIDS attack detection + WIDS blacklist
  C. WIDS attack detection + WIDS rogue device countermeasure
  D. Bogus SSID identification rules + WIDS rogue device countermeasure
  D. Bogus SSID identification rules + WIDS rogue device countermeasure

• Question 346:

  According to probe results reported by an AP, an AC can obtain neighbor relationships between the AP and surrounding devices (including authorized APs, rogue APs, and non-Wi-Fi devices), as shown in the following figure. To avoid reported data getting oversized, only data from authorized APs whose signal strength is greater than -85 dBm and rogue APs whose signal strength is greater than ( ) dBm is reported.

  

  A. 75
  B. 80
  C. 85
  D. 90
  B. 80

• Question 347:

  According to the detection result reported by the AP, the AC can obtain the neighbor relationship between the AP and the neighboring devices, and the neighbor relationships of all the radio devices (including the legal AP, the rogue AP, and

  the non-Wi-Fi interference device) in the entire AC, as shown in the following figure:

  The reported data is too large. Only the legal neighbors whose signal strength is greater than -85dBm and the illegal neighbors whose signal strength is greater than ()dBm are reported here?

  A. -75
  B. -80
  C. -85
  D. -90
  B. -80

• Question 348:

  Which of the following are the Agile Controller authorization elements?

  A. SSID
  B. Time
  C. Device name
  D. IP address
  A. SSID
  B. Time
  D. IP address

• Question 349:

  The following is a statement about WLAN hot backup, what is wrong?

  A. When configuring VRRP hot backup, you can set the priority of the VRRP to determine the priority of the AC.
  B. Configure VRRP hot backup. The active and standby ACs must be in the same Layer 2 network.
  C. In dual-link hot backup, the primary and backup ACs can be backed up through Layer 3 interworking on different Layer 2 networks.
  D. In dual-link hot backup, load balancing can be implemented by configuring the priorities of the active and standby ACs to be consistent.
  C. In dual-link hot backup, the primary and backup ACs can be backed up through Layer 3 interworking on different Layer 2 networks.

• Question 350:

  A WLAN can only use channels 1, 5, 9, and 13. After channel adjustment, which of the following figures is CORRECT? (Multiple Choice)

  

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