Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 441:

  When the WLAN network supports inter-AC roaming, multiple ACs establish a full connection through the inter-AC tunnel. If the user of the Layer 3 roaming to other ACs can still receive broadcast packets from the original subnet and simply broadcast the broadcast packets to other ACs through the roaming tunnel, a broadcast loop may be formed.

  A. Correct
  B. False
  A. Correct

• Question 442:

  As shown in the figure, a point-to-point communication link with a length of 10km, the obstacle height in the link is 12.2m, the distance between the tree and one of the antennas is 4km, and the radius of the Fresnel zone at 4km is calculated. If the signal transmission frequency is 5.8 GHz, refer to the following formula according to the actual situation. What is the minimum installation height of the transmitting and receiving antenna from the ground?

  A. 16m
  B. 19m
  C. 22m
  D. 26m
  B. 19m

• Question 443:

  On a large WLAN network, you can set the DSCP priority of CAPWAP management packets to high priority to improve the reliability of the CAPWAP link between the AP and the AC.

  A. Correct
  B. False
  A. Correct

• Question 444:

  Which roles belong to a Mesh network? (Multiple Choice)

  A. MP
  B. MPP
  C. MAP
  D. VAP
  A. MP
  B. MPP
  C. MAP

• Question 445:

  Rogue device prevention is a function that prevents access from rogue APs or STAs using a blacklist.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 446:

  Which of the following statements about signal-strength-based power adjustment are TRUE? (Multiple Choice)

  A. Signal-strength-based power adjustment can be configured to reduce AP power consumption and reduce the interference from APs to surrounding devices.
  B. Signal-strength-based power adjustment applies to WLANs with good signal coverage.
  C. The AP7030DE and AP9330DN do not support signal-strength-based power adjustment.
  D. By default signal-strength-based power adjustment is enabled for an AP.
  A. Signal-strength-based power adjustment can be configured to reduce AP power consumption and reduce the interference from APs to surrounding devices.
  B. Signal-strength-based power adjustment applies to WLANs with good signal coverage.
  C. The AP7030DE and AP9330DN do not support signal-strength-based power adjustment.

• Question 447:

  Which of the following commands is used to check whether automatic channel selection and automatic transmit power selection are enabled for APs?

  A. [AC-wlan-view] display station ssid wlan-ne
  B. [AC-wlan-view] display rrm-profile name
  C. profile-name r [AC-wlan-view] display radio all
  D. [AC-wlan-view] display vap-profile name profile-name
  B. [AC-wlan-view] display rrm-profile name

• Question 448:

  What information can the Agile Controller send to the NAS device for permission control?

  A. VLAN
  B. ACL
  C. Static ARP binding relationship
  D. Static routing
  E. Certain specific RADIUSM properties
  A. VLAN
  B. ACL
  E. Certain specific RADIUSM properties

• Question 449:

  In a large WLAN network, customers usually deploy a directory server. What is the main role of the directory server?

  A. Provide the user with a resource index for the database
  B. Provide mail management services for users
  C. Server cluster management services for large networks
  D. Provide user information for the authentication server
  D. Provide user information for the authentication server

• Question 450:

  What is the correct description of the second Fresnel zone below?

  A. Out of phase with point source
  B. In phase with the point source
  C. Less than the first Fresnel zone
  D. Greater than the first Fresnel zone
  A. Out of phase with point source
  D. Greater than the first Fresnel zone