Huawei Huawei Certification H11-879 Questions & Answers

• Question 41:

  Which of the following files is necessary to deploy an automatic version upgrade of an eSpace IP phone? () Multiple choice

  A. Version upgrade file B in Bin format.

  B. Upgrade policy file

  C. Address book

  D. Log file

  Correct Answer: AB

• Question 42:

  If AAC_LD uses a coding rate of 48kbps and a packing time of 20ms, what is the IP bandwidth occupied by the codec () kbps

  A. 80

  B. 74.4

  C. 64

  D. 76.6

  Correct Answer: C

• Question 43:

  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

  Correct Answer: B

• Question 44:

  In the SIP session service, which of the following methods is used by the called terminal to realize the interaction of media capabilities? () (single choice)

  A. In the 100 trying message, carry the called SDP media capability

  B. In the 180 or 183 session progress message, carry the called SDP media capability

  C. In the 200 OK message, the called SDP media capability is carried

  D. Confirm in the ACK message

  Correct Answer: C

• Question 45:

  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

  Correct Answer: ABD

• Question 46:

  An enterprise has purchased 3 U1960s, and the number of IP phone users is about 2500. Which networking method is suitable for these 3 U1960s? () (single choice)

  A. Multi-node centralized call management networking

  B. Peer-to-peer distributed call management networking

  C. Convergent Distributed Call Management Network

  Correct Answer: B

• Question 47:

  One MCU supports 24-port 1080P30. Which of the following conference scenarios can be supported through configuration? ()

  A. 24 1080P30 venues

  B. 12 1080P30 venues + 24 720P60 venues

  C. 6 1080P30 venues + 24 720P30 venues

  D. 12 1080P60 venues + 24 4CIF venues

  Correct Answer: AC

• Question 48:

  The eSpace phone supports () mode, the PC can disconnect the PC port to share the network connection after receiving the call () (single choice)

  A. routing

  B. Bridge

  C. exchange

  D. Commissioning

  Correct Answer: C

• Question 49:

  In the Converged Conference 3.0 solution, no matter whether the multimedia cascade mode or the MCU center mode is used, all the audio and video media streams of the Web client need to be forwarded by the USM/MS system as a proxy? Correct or Wrong

  A. Correct

  B. Wrong

  Correct Answer: A

• Question 50:

  The public and private network traversal problems solved by the H.460 protocol mainly include () (multiple choice)

  A. Private network terminal calls public network terminal

  B. Public network terminal calls private network terminal

  C. The private network terminal receives the media stream sent by the public network terminal

  D. The public network terminal receives the media stream from the private network terminal

  Correct Answer: BC