Huawei Huawei Certification H12-321 Questions & Answers

• Question 41:

  On a WLAN network, the AP group name is ap-group and the WIDS template is wids. Now you need to enable the WIDS device counter-function and counter the counterfeit SSID=huawei AP. As shown in the figure, the following configuration is correct?

  A. 1>2>4

  B. 5>2>3

  C. 1>2>3

  D. 5>2>4

  Correct Answer: C

• Question 42:

  In Layer 3 roaming, STAs roam from one AP to another AP, and the service VLANs of the corresponding VAPs change. After roaming, data packets of the STAs are sent to the service VLAN of the AP to which STAs roam.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 43:

  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

  Correct Answer: A

• Question 44:

  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

  Correct Answer: B

• Question 45:

  In intelligent roaming, for terminals that support 802.11k, the correct step for selecting the appropriate AP is?

  1.

  Delayed sensitive service judgment

  2.

  Filter out APs that do not meet load balancing, filter out

  3.

  APs that do not satisfy CAC, and select the AP with the strongest selection

  4.

  signal as the target AP 5, and filter out

  5.

  APs that meet the threshold difference conditions.

  A. 1->2->3->4->5

  B. 1->3->4->5->2

  C. 1->5->3->2->4

  D. 1->4->5->3->2

  Correct Answer: C

• Question 46:

  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

  Correct Answer: D

• Question 47:

  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

  Correct Answer: A

• Question 48:

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

  A. The AC maintains AP neighbor topology information according to the radio environment information sent by APs.

  B. The AC runs the radio calibration algorithm to coordinate and allocate channels and transmit power of APs.

  C. The channel adjustment and power adjustment algorithms in radio calibration are coupled with each other, and the AC needs to consider their influence to each other.

  D. The AC sends alarms, such as the AP offline alarms to the network management system.

  Correct Answer: C

• Question 49:

  A company has deployed a WLAN network. The APs are already carrying WLAN services. The company needs to upgrade the AP version. To minimize the impact on users, which of the following upgrade methods is recommended?

  A. Automatically upgrade AP

  B. Upgrade AP online

  C. Upgrade the AP through the web network management of the AP.

  D. Upgrade the AP through the Boot of the AP.

  Correct Answer: B

• Question 50:

  As shown in the figure, in the dual-link load balancing hot standby network, AP1 is a new online AP, and both ACs have access configuration. Which AC does AP1 choose to access?

  A. AC1

  B. AC2

  C. Random access

  D. Will not access

  Correct Answer: A