Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 351:

  A company plans to deploy a WLAN and has purchased several wireless APs that support 802.11n. After deployment, it is not true that only 802.11n wireless clients can connect to the WLAN.

  A. True
  B. False
  B. False

• Question 352:

  What is the maximum number of APs that can be managed by the ACU board of the Huawei plug-in controller?

  A. 1024
  B. 256
  C. 512
  D. 128
  B. 256

• Question 353:

  Which of the following are general conditions for roaming triggers? (Choose two)

  A. Trigger roaming after the STA reaches a certain distance from the original AP.
  B. Set the signal strength ratio between the current AP and the neighboring AP, and trigger roaming when it reaches a threshold.
  C. Monitor the packet loss rate and trigger roaming when it reaches a certain value.
  D. Trigger roaming when the network speed is very slow while associated with the original AP.
  B. Set the signal strength ratio between the current AP and the neighboring AP, and trigger roaming when it reaches a threshold.
  C. Monitor the packet loss rate and trigger roaming when it reaches a certain value.

• Question 354:

  Which kinds of VLANs are involved in WLAN configuration? (Choose three)

  A. Management VLAN
  B. Service VLAN
  C. User VLAN
  D. Authentication VLAN
  A. Management VLAN
  B. Service VLAN
  C. User VLAN

• Question 355:

  In WLAN network configuration, which command must be executed on the AC6605 to deliver the configuration to AP1?

  A. save ap id 1
  B. commit ap 1
  C. save ap 1 config
  D. save config ap 1
  B. commit ap 1

• Question 356:

  Which of the following are reasons why APs cannot go online? (Choose three)

  A. The DHCP address pool is incorrectly configured, and the AP cannot obtain an address.
  B. The AP uses static discovery, but the AC IP address is incorrect.
  C. The AP version is inconsistent with the AC version.
  D. The controller adopts no-auth authentication mode.
  A. The DHCP address pool is incorrectly configured, and the AP cannot obtain an address.
  B. The AP uses static discovery, but the AC IP address is incorrect.
  C. The AP version is inconsistent with the AC version.

• Question 357:

  To upgrade an AP through FTP, you need to ensure that the AP and the FTP server can communicate with each other and place the AP upgrade file in the FTP root directory.

  A. True
  B. False
  A. True

• Question 358:

  The 802.11 physical layer standard defines common wireless network operations at the physical layer, such as modulation, coding, and transmission parameters. QoS, security, and roaming are not physical-layer operations.

  A. True
  B. False
  B. False

• Question 359:

  Each AC device needs to specify the source IP address of the AC to establish a CAPWAP tunnel with the AP. One AC can specify up to two WLAN source IP addresses.

  A. True
  B. False
  B. False

• Question 360:

  Which of the following authentication modes belong to link authentication?

  A. PSK authentication
  B. PPSK authentication
  C. Shared key authentication
  D. Open system authentication
  C. Shared key authentication
  D. Open system authentication