Huawei H11-861 Online Practice Questions and Exam Preparation

Huawei H11-861 Online Questions & Answers

• Question 71:

  The range of audible frequencies is 20 Hz to 20000 Hz. G.711, G.722, and G.728 support audio signals with a bandwidth ranging from 50 Hz to 7000 Hz. Therefore, for HD video communication, MOLD is used.0

  A. TRUE
  B. FALSE
  A. TRUE

• Question 72:

  ( ) signaling is used for logical channel closing.

  A. CLC, CLCA
  B. OLC, OLCA
  C. TCSR, TCSA
  D. MSDR, MSDA
  A. CLC, CLCA

• Question 73:

  The video firewall mode does not require additional network devices for public/private traversal.( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 74:

  A transaction only can be identified by a unique branch.( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 75:

  Multicast allows one or multiple senders (multicast sources) to send one data packet to multiple receivers at a time. ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 76:

  In RTP packet, the timestamp reflects the sampling instant of the first octet in the RTP data packet. The sampling instant must be derived from a clock that increments monotonically and linearly in time to allow synchronization and jitter

  calculations.

  The initial value of the timestamp should be random. It increases by 1 with each increasing packet. ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 77:

  Originally, MCU cascading involves one cascaded channel, which can transmit one channel of video stream. In a telepresence conference, the channel can transmit only the video for the pane in the center.After multi-channel cascading is supported, each level of MCU can transmit multiple channels of video streams and therefore can transmit all three panes in a telepresence conference, to improve user experience.( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 78:

  Which of the following is not a disadvantage of forward error correction.( )

  A. Occupation of more bandwidth
  B. Deterioration of video quality
  C. Delay
  D. Aggravation of video jitter
  D. Aggravation of video jitter

• Question 79:

  If two MCUs are cascaded to hold a conference, the MCUs join the conference as virtual sites. ( )

  A. TRUE
  B. FALSE
  A. TRUE

• Question 80:

  The packet loss statistics collected by the NLog V2 does not include the packet loss for the data communications devices on the relevant lines.( )

  A. TRUE
  B. FALSE
  B. FALSE