Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 151:

  Metal objects cause significant attenuation of wireless signals, so the AP or antenna should not be placed behind a metal ceiling or similar objects.

  A. True
  B. False
  A. True

• Question 152:

  What factors affect AP coverage? (Choose three)

  A. AP transmit power
  B. Antenna gain
  C. AP size
  D. Transmission loss
  A. AP transmit power
  B. Antenna gain
  D. Transmission loss

• Question 153:

  Which of the following are included in the IEEE 802.11 WLAN CSMA/CA mechanism? (Choose three)

  A. Carrier Sense
  B. Multiple Access
  C. Collision Detection
  D. Collision Avoidance
  A. Carrier Sense
  B. Multiple Access
  D. Collision Avoidance

• Question 154:

  The power of an indoor AP is generally:

  A. 100 mW
  B. 500 mW
  C. 800 mW
  D. 50 mW
  A. 100 mW

• Question 155:

  How many management nodes does the eSight Standard Edition support?

  A. 60
  B. 2000
  C. 5000
  D. 20000
  B. 2000

• Question 156:

  Which of the following is the maximum rate supported by the 802.11g protocol?

  A. 11 Mbps
  B. 22 Mbps
  C. 54 Mbps
  D. 108 Mbps
  C. 54 Mbps

• Question 157:

  The gain of an antenna can be explained as:

  A. The ability of the antenna to amplify high-frequency electrical signals
  B. The ability of the antenna to collect or transmit electromagnetic waves in a certain direction
  C. The amplification ability of electromagnetic waves
  D. The ability of the antenna to collect or emit electromagnetic waves in all directions
  B. The ability of the antenna to collect or transmit electromagnetic waves in a certain direction

• Question 158:

  When the AC uses side-by-side networking, if the data is directly forwarded, does the data stream pass through the AC? If the data is in tunnel forwarding mode, does the data stream pass through the AC?

  A. No pass, pass
  B. No pass, no pass
  C. Pass
  D. Not pass
  A. No pass, pass

• Question 159:

  The electrical performance indicators of an antenna include: (Choose three)

  A. Gain
  B. Lobe width
  C. Power size
  D. Polarization mode
  A. Gain
  B. Lobe width
  D. Polarization mode

• Question 160:

  Various pipes, metal keels, and aluminum alloy gussets in the ceiling will have a greater impact on actual signal coverage.

  A. True
  B. False
  A. True