Huawei H11-879 Online Practice Questions and Exam Preparation

Huawei H11-879 Online Questions & Answers

• Question 31:

  H .264 encoding, the main reason for blocking is () (single choice)

  A. The macro block is in the intense motion area, the difference is big, resulting in obvious edges
  B. The quantization level of the coding block jumps, resulting in sudden brightness changes at the boundary
  C. Unreasonable division of macroblock coding modes, resulting in false edges
  D. Deblocking filter (Deblocking) is not strong enough, resulting in not smooth edges
  B. The quantization level of the coding block jumps, resulting in sudden brightness changes at the boundary

• Question 32:

  The terminal performs a remote audio loopback, and the audio code stream is encoded and decoded by the remote audio module. () Correct or Wrong

  A. Correct
  B. Wrong
  A. Correct

• Question 33:

  The SMC2.0 batch number allocation function supports the addition, modification and deletion of unmanageable sites, excluding ISDN sites () Correct or Wrong

  A. Correct
  B. Wrong
  A. Correct

• Question 34:

  In the H.460 public and private network traversal single SC network, the H.245 TCP connection of the private network terminal is established with the TS (traversal server). () Correct or Wrong

  A. Correct
  B. Wrong
  A. Correct

• Question 35:

  The routing logic flow of outgoing calls in AR router is ()

  A. callroute->prefix->trunk-group
  B. prefix->callroute->trunk-group
  C. callroute->trunk-group->prefix
  D. prefix->trunk-group->callroute
  B. prefix->callroute->trunk-group

• Question 36:

  Which of the following conference control operations are not supported by the sub conferences of a multi-level conference? () Multiple choice

  A. Multi-picture polling
  B. Chairman polling
  C. Timed broadcast
  D. Voice control switch
  A. Multi-picture polling
  B. Chairman polling
  C. Timed broadcast
  D. Voice control switch

• Question 37:

  When the eSpace 7900 series phones are restored to factory settings, which of the following statements is correct is () multiple choice

  A. Restoring factory settings will reset all phone parameters to default values
  B. All information in contacts and call logs will be retained
  C. Signal tones, language packs and personalized wallpapers imported by users will be retained
  D. In the phone login interface, long press the home interface button to restore the factory settings
  A. Restoring factory settings will reset all phone parameters to default values
  D. In the phone login interface, long press the home interface button to restore the factory settings

• Question 38:

  When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)

  A. can be set to choose to overwrite old bills
  B. can be set to discard new bills
  C. It may cause the unified gateway to fail to register new users
  D. May cause all users to be unable to initiate calls
  A. can be set to choose to overwrite old bills
  B. can be set to discard new bills
  D. May cause all users to be unable to initiate calls

• Question 39:

  Built-in MCU terminal plus RSE network, without the help of SMC, the functions that can be implemented independently on the terminal do not include () (single choice)

  A. Point-to-point recording meeting
  B. Three-party live conference
  C. Point-to-point live conference
  D. Recording resource management
  D. Recording resource management

• Question 40:

  Which of the following signaling is included in a SIP call? () (multiple choice)

  A. Invite
  B. 200 OK
  C. ACK
  D. Set UP
  A. Invite
  B. 200 OK
  C. ACK