Huawei Huawei Certifications H11-861 Questions & Answers

• Question 241:

  If a public network terminal fails to call a private network terminal in videoconferencing service, what technologies can be used to make the private network terminal call the public network terminal back to address this issue.( ) (Select 2 answers)

  A. Static NAT

  B. SNP

  C. ALG

  D. H.460

  Correct Answer: BD

• Question 242:

  In Multi-channel Cascading, the protocols of all multi-channel conference sites must be consistent, but bandwidths can be different. ( )

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 243:

  A video terminal on a private network (video terminal A) uses the IP address 10.1.0.10, the static NAT outbound address is 61.1.0.10, and the GK IP address is 61.1.0.11. A video terminal on a public network (video terminal B) uses the IP address 61.1.0.12. Video terminal B can dial ( ) to call video terminal A.

  A. 10.1.0.10

  B. 61.1.0.10

  C. 61.1.0.11

  D. 61.1.0.12

  Correct Answer: B

• Question 244:

  Audio Enhancement Technologie--Jitter Buffer, use a human intervention signal wave to remove echo signals while retaining normal audio signals to improve the voice quality of a telephone call.( )

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 245:

  When a standby GK is responding to synchronization requests, it completes the ( ) processes. (Select 3 answers)

  A. Check whether the system data is effective for the active GK only.

  B. Start the task synchronization process

  C. Set a Is timer and check whether synchronization is complete within 1s

  D. Stops tasks for 1 ms.

  Correct Answer: ABC

• Question 246:

  The address book file exported from the MCU web interface is in( )format.

  A. .VCF

  B. .XML

  C. .DAT

  D. .CAP

  Correct Answer: A

• Question 247:

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

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 248:

  VP9650 MCU is 0 U tall and provides( )lots.

  A. 5, 3

  B. 4, 3

  C. 5, 4

  D. 4, 4

  Correct Answer: A

• Question 249:

  For FEC, When both parties establish a call and the packet loss in media stream exceeds 0.1% within 10s, the FEC function is enabled. FEC separates some bandwidth from the call bandwidth to transmit anti-dropping redundant stream. ( )

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 250:

  For SDP,the c line contains connection information of multimedia sessions, which include the IP address of the multimedia stream.( )

  A. TRUE

  B. FALSE

  Correct Answer: A