Huawei H11-861 Online Practice Questions and Exam Preparation

Huawei H11-861 Online Questions & Answers

• Question 111:

  By establishing multiple cascaded channels between cascaded conferences of MCUs, you can send multiple channels of streams from the local MCU to the remote MCU. ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 112:

  In video conferencing system, we have two way to prevent packet loss, one is FEC, the other is ARQ. ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 113:

  140 Caption can be sent or received by only endpointe that support T.140 captions.( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 114:

  225 defines ( ) signaling. (Select 2 answers)

  A. Q.931
  B. H.281
  C. RAS
  D. T.120
  A. Q.931
  C. RAS

• Question 115:

  The SIP works on the basis of messages which are the base units for the interaction between the SIP client and server( ).

  A. TRUE
  B. FALSE
  A. TRUE

• Question 116:

  Multichannel audio mixing uses quick voice detection so that background noises can be entirely cut. The traditional simple multichannel audio mixing will not introduce enormous background noises. ( )

  A. TRUE
  B. FALSE
  B. FALSE

• Question 117:

  For INVITE transaction, messages are retransmitted at intervals of ( ) by default.

  A. 500ms, Is, 2s, 4s, 4s, 4s
  B. 500ms, Is, 2s, 4s, 8s, 16s
  C. 500ms, Is, 2s, 4s, 8s, 8s
  D. 500ms, Is, 2s, 4s, 16s, 16s
  B. 500ms, Is, 2s, 4s, 8s, 16s

• Question 118:

  264 video pictures are divided into three types of frames: I-frame, P-frame, and B-frame. An P-frame is an intraframe coded picture. A I-frame is an interframe coded picture. ( )

  A. TRUE
  B. FALSE
  B. FALSE

• Question 119:

  One of the primary uses of RTCP is reception quality reporting, which is accomplished through RTCP receiver report (RR) packets, which are sent by all participants who receive data; ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 120:

  In video firewall mode, the GEO ports of all the boards must be in the same network segment, and all the GE1 ports of all the boards must be in another same network segment.( )

  A. TRUE
  B. FALSE
  A. TRUE