Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 41:

  The CAPWAP protocol is a WLAN standard proposed by the IEEE standards organization in April 2009 for communication between ACs and thin APs.

  A. True
  B. False
  B. False

• Question 42:

  How many channels are supported in the 2.4 GHz frequency band in China?

  A. 11
  B. 13
  C. 3
  D. 5
  B. 13

• Question 43:

  During active scanning, wireless clients obtain information about surrounding wireless networks by sending which type of frame?

  A. Beacon frame
  B. Probe Request frame
  C. Authentication Request frame
  D. Association Request frame
  B. Probe Request frame

• Question 44:

  What are the non-overlapping channels in the 2.4 GHz band in the United States?

  A. 2, 7, 12
  B. 3, 8, 13
  C. 1, 6, 11
  D. 3, 7, 13
  C. 1, 6, 11

• Question 45:

  The port number used for CAPWAP tunnel protocol control messages is:

  A. 1645
  B. 1646
  C. 5246
  D. 5247
  D. 5247

• Question 46:

  In an 802.11 frame, what are the values of the To DS and From DS fields when a wireless station sends a frame to a wireless AP?

  A. 0,0
  B. 0,1
  C. 1,0
  D. 1,1
  C. 1,0

• Question 47:

  In an 802.11 frame, what is the correct correspondence between the Type field and the frame format in the Frame Control field?

  A. Type = 01, indicating a data frame
  B. Type = 10, indicating a control frame
  C. Type = 00, reserved
  D. Type = 00, indicating a management frame
  D. Type = 00, indicating a management frame

• Question 48:

  The AP can provide both power and data transmission through a PoE switch.

  A. True
  B. False
  A. True

• Question 49:

  The port number of data packets on the AC side of the CAPWAP tunnel is 5246, and the port number of control packets is 5247.

  A. True
  B. False
  B. False

• Question 50:

  The parameter used in an 802.11 frame to check the integrity of the received frame is:

  A. Frame Control
  B. Duration
  C. FCS
  D. Sequence Control
  C. FCS