Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 221:

  As shown in the figure, in the dual-link cold backup load balancing networking, as shown in the figure, AP1 is online, and AC1 and AP1 establish a primary line. After AP1 is disconnected from the AC1 link, the following conditions are normal. At what time point may the active/standby switchover occur?

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

• Question 222:

  As shown in the figure, different companies on adjacent floors of an office building use multiple SSIDs. If a company enables WIDS rogue device countermeasure, APs of other companies will be affected. Which of the following functions can solve this problem?

  

  A. Dynamic blacklist
  B. WIDS countermeasure mode switching
  C. WIDS bogus SSID detection
  D. WIDS whitelist
  D. WIDS whitelist

• Question 223:

  In the WLAN network environment where the WIDS function is enabled, the detected AP device MAC addresses include: 01-01-22-22-33-33 02-01-01-22-33-33 02-01-01-22-33 -34 02-01-22-01-01-22 The configured oui white list is 01-01-22; Which of the above is an illegal AP?

  A. 01-01-22-22-33-33
  B. 02-01-01-22-33-33
  C. 02-01-01-22-33-34
  D. 02-01-22-01-01-22
  B. 02-01-01-22-33-33
  C. 02-01-01-22-33-34
  D. 02-01-22-01-01-22

• Question 224:

  What is the correct description of the packet-by-packet power adjustment?

  A. By configuring the packet-by-packet power adjustment, you can reduce the energy consumption and radiation of the AP, and reduce the interference that the AP sends packets to the surrounding devices.
  B. Applicable to the environment with good overall signal coverage of WLAN network
  C. AP7030DE and AP9330DN do not support this feature.
  D. By default, the AP's packet-by-packet power adjustment function is enabled.
  A. By configuring the packet-by-packet power adjustment, you can reduce the energy consumption and radiation of the AP, and reduce the interference that the AP sends packets to the surrounding devices.
  B. Applicable to the environment with good overall signal coverage of WLAN network
  C. AP7030DE and AP9330DN do not support this feature.

• Question 225:

  The two bands of the AP that implement the spectrum navigation function must use the same SSID and security policy.

  A. Correct
  B. False
  A. Correct

• Question 226:

  Which types of VAP can be created on a Mesh node?

  A. Management VAP and service VAP
  B. Backhaul VAP and default VAP
  C. Service VAP and default VAP
  D. Backhaul VAP and service VAP
  D. Backhaul VAP and service VAP

• Question 227:

  Which statements about Mesh radio are TRUE? (Multiple Choice)

  A. The 2.4 GHz frequency is recommended for Mesh.
  B. The distance settings between neighboring Mesh nodes must be the same.
  C. Short GI is recommended regardless of the distance to improve bandwidth on air interfaces.
  D. The power settings on neighboring Mesh nodes must be the same to ensure equivalent bidirectional bandwidth.
  B. The distance settings between neighboring Mesh nodes must be the same.
  D. The power settings on neighboring Mesh nodes must be the same to ensure equivalent bidirectional bandwidth.

• Question 228:

  Which of the following four scenarios does not belong to the mesh network?

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

• Question 229:

  Which is the correct sequence for a VLAN pool to assign VLANs to terminals?

  1.

  A terminal accesses the network from the assigned VLAN.

  2.

  Check for the VLAN pool and VLAN assignment algorithm bound to the VAP.

  3.

  The terminal connects to the VAP.

  4.

  Allocate a VLAN to the terminal based on the VLAN assignment algorithm.

  A. 3->2->4->1
  B. 4->2->3->1
  C. 4->3->2->1
  D. 3->4->2->1
  A. 3->2->4->1

• Question 230:

  On the maintenance of the link status of the active and standby channels, you can prevent the TCP from being interrupted for a long time, but the protocol stack does not detect the connection interruption. You can prevent this by sending the primary and backup service packets and retransmission.

  A. Correct
  B. False
  A. Correct