Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 281:

  For outdoor WLAN coverage, which of the following statements are correct? (Choose three)

  A. The higher the antenna gain, the stronger the antenna directivity and the weaker the radiation directly below the antenna.
  B. The feeder interface must match the selected antenna.
  C. The length of the feeder must not exceed 2 meters.
  D. Outdoor antennas should not blindly pursue high gain.
  A. The higher the antenna gain, the stronger the antenna directivity and the weaker the radiation directly below the antenna.
  B. The feeder interface must match the selected antenna.
  D. Outdoor antennas should not blindly pursue high gain.

• Question 282:

  What is the mandatory wireless LAN security standard in China?

  A. WiFi
  B. WAPI
  C. WLAN
  D. WiMAX
  B. WAPI

• Question 283:

  If an SSID is incorrectly configured, STAs may not be able to discover the target Wi-Fi. How can you modify the SSID so that STAs can discover the target Wi-Fi?

  A. Modify the WDS profile.
  B. Modify the RRM profile.
  C. Modify the SSID profile.
  D. Modify the VAP profile.
  C. Modify the SSID profile.

• Question 284:

  Huawei AP products can support multiple SSIDs, not just one.

  A. True
  B. False
  B. False

• Question 285:

  The indicator used to describe the extent to which the antenna focuses the transmit power is:

  A. Broadband
  B. Power
  C. Gain
  D. Polarity
  C. Gain

• Question 286:

  According to the following output, which statements are correct? (Choose two) display device AC6605-26-PWR's Device status: Slot Sub Type Online Power Register Status Role 0 - AC6605 Present PowerOn Registered Normal Master POWER Present PowerOn Registered Normal NA

  A. The user is currently on the wired side of the AC.
  B. The user is currently on the wireless side of the AC.
  C. According to the output, the AC6605 uses a PoE power supply module.
  D. To configure WLAN-related settings, the user must first switch to the wireless side using CTRL+Y.
  A. The user is currently on the wired side of the AC.
  D. To configure WLAN-related settings, the user must first switch to the wireless side using CTRL+Y.

• Question 287:

  Regarding the two major PoE standards, which statements are incorrect? (Choose three)

  A. The 802.3af standard was established in 2009, and the maximum output power is 30 W.
  B. 802.3at supports four power levels and only supports Category 5 cables.
  C. 802.3af, also known as PoE+, is compatible with 802.3at devices.
  D. 802.3at, also known as PoE+, is compatible with 802.3af devices.
  A. The 802.3af standard was established in 2009, and the maximum output power is 30 W.
  C. 802.3af, also known as PoE+, is compatible with 802.3at devices.

• Question 288:

  Which of the following ports can only belong to one VLAN?

  A. Access
  B. Hybrid
  C. Trunk
  D. Eth-trunk
  A. Access

• Question 289:

  Which of the following commands can be used to clear counter statistics?

  A. clear
  B. enable statistics
  C. restart statistics
  D. reset
  D. reset

• Question 290:

  If an AP wants to obtain the IP address of the AC through a DNS server, it must first obtain its own IP address, as well as the addresses of the DHCP server and DNS server.

  A. True
  B. False
  A. True