Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 251:

  An omnidirectional antenna exhibits how many degrees on the horizontal pattern?

  A. 90
  B. 180
  C. 360
  C. 360

• Question 252:

  How many channels can the 2.4 GHz band be divided into?

  A. 14
  B. 13
  C. 11
  D. 3
  A. 14

• Question 253:

  dBm is a unit used to measure signal strength and can be converted into a value in mW. Which of the following conversions are correct?

  A. 3 dBm = 2 mW
  B. 10 dBm = 20 mW
  C. 0 dBm = 1 mW
  D. 3 dBm = 3 mW
  C. 0 dBm = 1 mW

• Question 254:

  If WLAN capacity demand is high in a coverage area, which construction method should be considered?

  A. Indoor distributed system combination
  B. Outdoor distributed system combination
  C. Indoor installation
  D. Outdoor AP + directional antenna
  C. Indoor installation

• Question 255:

  Number of users: 300, concurrency rate: 70%. Terminals support both 2.4 GHz and 5 GHz bands. According to the maximum number of dual-band users per AP, at least how many APs are required to meet capacity requirements?

  A. 5
  B. 6
  C. 7
  D. 8
  B. 6

• Question 256:

  What is the bandwidth of each channel in the 802.11g band?

  A. 25 MHz
  B. 20 MHz
  C. 50 MHz
  D. 22 MHz
  B. 20 MHz

• Question 257:

  In 802.11n, how many subcarriers are used to transmit data in 20 MHz mode?

  A. 48
  B. 52
  C. 54
  D. 56
  B. 52

• Question 258:

  Which of the following commands can be used to configure a port on a Huawei switch to operate in hybrid mode?

  A. switchport hybrid
  B. hybrid enable
  C. port link-type hybrid
  D. port mode hybrid
  C. port link-type hybrid

• Question 259:

  Antennas are classified by direction. Which of the following are directional and omnidirectional antenna types? (Choose two)

  A. Plate-shaped
  B. Paraboloid
  C. Omnidirectional
  D. Orientation
  D. Orientation

• Question 260:

  Which of the following options can be configured under a service-set? (Choose three)

  A. The SSID string can be configured via ssid xxxx
  B. Can be bound to a WMM profile
  C. Can call the wlan-ess interface and configure the service VLAN
  D. You can configure the forwarding mode as direct-forward or tunnel-forward
  A. The SSID string can be configured via ssid xxxx
  C. Can call the wlan-ess interface and configure the service VLAN
  D. You can configure the forwarding mode as direct-forward or tunnel-forward