Huawei H11-879 Online Practice Questions and Exam Preparation

Huawei H11-879 Online Questions & Answers

• Question 1:

  At which level are SIP retransmissions and timeouts handled? ()

  A. Syntax and coding layer
  B. Transaction layer
  C. Transport layer
  D. Transaction user layer
  B. Transaction layer

• Question 2:

  Which of the following SIP message header field parameter combinations can identify the uniqueness of the call? () Multiple choice

  A. From
  B. To
  C. CSeq
  D. Call-ID
  A. From
  B. To
  D. Call-ID

• Question 3:

  Which of the following backup methods is not supported by VP9660 MCU? ()

  A. Main control board backup
  B. Power backup
  C. IP/E1 line backup
  D. Media/signaling board backup
  C. IP/E1 line backup

• Question 4:

  Which of the following is correct about backing up and restoring data on U1900 series unified gateways? () (multiple choice)

  A. Execute the save command before each backup
  B. After importing data.bin every time you restore, execute the save command and then restart
  C. There is no need to execute the save command during backup and restore
  D. TFTP tool needs to be enabled for backup
  A. Execute the save command before each backup
  B. After importing data.bin every time you restore, execute the save command and then restart

• Question 5:

  Hold a 720P30 conference with low frame rate secondary stream, the recommended conference bandwidth is 768Kbps, and the recommended network. The bandwidth is 1.5 times the conference bandwidth. () Correct or Wrong

  A. Correct
  B. Wrong
  A. Correct

• Question 6:

  Reminiscences of a company every Friday. The business backbone of each district calls in the regular meeting according to the time point to complete the weekly regular meeting communication. The type of meeting is ()

  A. Meeting now
  B. Schedule a meeting
  C. Calling a SiteCall conference
  D. The system calls a meeting
  B. Schedule a meeting

• Question 7:

  The POTS user number in the U1900 system is bound to the analog port, and has nothing to do with the analog phone connected to the analog port () Correct or Wrong

  A. Correct
  B. Wrong
  A. Correct

• Question 8:

  If IP phone A fails to register with U1900, which of the following situations will not be the cause of the registration failure? ()

  A. IP phone A has a network failure
  B. The SIP server information in the configuration of IP phone A is incorrectly configured.
  C. SIP account and password in IP phone A configuration are wrong
  D. The user ID and phone number of IP phone A configured in the U1900 system are inconsistent
  D. The user ID and phone number of IP phone A configured in the U1900 system are inconsistent

• Question 9:

  If AAC_LD uses an encoding rate of 48kbps and a packaging time of 20ms, what is the IP bandwidth occupied by the encoding () kbps

  A. 80
  B. 74.4
  C. 64
  D. 76.6
  C. 64

• Question 10:

  In the SIP protocol, the Cancel transaction can be used to cancel the Update transaction. () Right or Wrong

  A. Right
  B. Wrong
  B. Wrong