Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 61:

  In PoE terminology, what does the AP belong to?

  A. PSE
  B. PD
  C. PI
  D. PSU
  A. PSE

• Question 62:

  If a wireless client wants to connect to the WLAN through an AP, what does it use to connect to the wireless network?

  A. SSID
  B. IBSS
  C. BSID
  D. BSA
  A. SSID

• Question 63:

  Spread-spectrum technology is the foundation for transmitting wireless data in the ISM band.

  A. True
  B. False
  A. True

• Question 64:

  What are the common methods for solving co-channel interference? (Choose three)

  A. Adjust AP transmit power and antenna feed
  B. Use reasonable frequency reuse to ensure the same channel does not appear in the same or adjacent coverage areas
  C. Multi-directional coverage using omnidirectional antennas
  D. Natural isolation using obstacles
  A. Adjust AP transmit power and antenna feed
  B. Use reasonable frequency reuse to ensure the same channel does not appear in the same or adjacent coverage areas
  D. Natural isolation using obstacles

• Question 65:

  WLAN security policies are configured in security profiles. Therefore, WPA/WPA2 PPSK must be configured in the security profiles.

  A. True
  B. False
  A. True

• Question 66:

  Among the following options, which is a prerequisite for enabling Huawei's load balancing function?

  A. The APs belong to the same model type.
  B. The APs are managed by the same AC, and their coverage areas overlap.
  C. STAs can scan and detect each AP used for load balancing.
  D. The APs have identical transmit power settings.
  B. The APs are managed by the same AC, and their coverage areas overlap.

• Question 67:

  When WLAN uses AAA, the authentication is not related to the authentication encryption used by the WLAN itself.

  A. True
  B. False
  B. False

• Question 68:

  The Barker code is an 11-bit sequence (for example, 10110111000) that offers advantages in wireless transmission, effectively reducing interference but reducing efficiency.

  A. True
  B. False
  A. True

• Question 69:

  When selecting WLAN coverage antennas, for narrow and long areas, it is recommended to use (), and for open short-distance areas, it is recommended to use ().

  A. Omnidirectional antenna; omnidirectional antenna
  B. Omnidirectional antenna; directional antenna
  C. Directional antenna; omnidirectional antenna
  D. Directional antenna; directional antenna
  C. Directional antenna; omnidirectional antenna

• Question 70:

  Which type of message is used in an 802.11 frame for a terminal to receive data packets while in power-saving mode?

  A. RTS
  B. CTS
  C. ACK
  D. PS-Poll
  B. CTS