H11-861 Online Practice Questions and Answers

Over an H.460 network, communication between the video terminal and client GK complies with ( ).

A. H.460

B. H.323

C. H.460.18/19

D. Q.931

SEC is Super error concealment using the ARQ algorithm. ( )

A. TRUE

B. FALSE

For VGA output, the maximum pixels are( ).

A. 1920*1080

B. 1280*1024

C. 1366*768 D 1360*768

The GK must support BRQ, BCF, and BRJ messages and accept all requests for changing bandwidth. ( )

A. TRUE

B. FALSE

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

A. .VCF

B. .XML

C. .DAT

D. .CAP

If the active GK is working, the GK with which a terminal registers is the active GK.( )

A. TRUE

B. FALSE

By default, a video terminal reports its packet loss rate to the MCU every ( ).

A. 20s

B. 15

C. 6s

D. 1s

Automatic downspeeding is supported for multi-channel cascading.( )

A. TRUE

B. FALSE

On an H.460 network, setting of the keep-alive duration, keep-alive port, and keep-alive field are transmitted during transmission of ( ).

A. ARQ messages

B. ACF messages

C. OLC messages

D. IIR messages

323 is used to establish the point-to-point media session and multi-point media conference.( )

A. TRUE

B. FALSE

On an H.460 network, H.245 TCP connections are established between private network terminals and theTS.( )

A. TRUE

B. FALSE

A GK responds to a gateway's access authentication and address resolution request with a/an ( ) message for request rejection with resolution results.

A. RRJ

B. GRJ

C. URJ

D. ARJ

MSDA is Master Slave Determination Acknowledge (The carried Master or Slave flag refers to the status of the local endpoint.) ( )

A. TRUE

B. FALSE

SIP messages are coded based on texts. ( )

A. TRUE

B. FALSE

The following descriptions for CR101/CR102 Reach Network Recording and Streaming Server, which is error ( ).

A. It allows users to watch the meetings through the PC browser during the course of the meeting,similar to the live broadcast.

B. It allows users to watch the video saved in the Recording and Streaming Server through the PC browser after the meeting ends.

C. The Recording and Streaming Server can support the codec functions.

D. The Recording and Streaming Servers have the functions of recording and on-demand of the media streaming of the MCU.