Terminal faults include: Local video/audio faults, Remote video/audio faults, Faults related to calls or conference control.

A. TRUE

B. FALSE

For VGA output, the maximum pixels are( ).

A. 1920*1080

B. 1280*1024

C. 1366*768 D 1360*768

The six call steps of H.323 apply to all H.323 terminals. ( )

A. TRUE

B. FALSE

For SDP,the m line, also the media line, describes the media types supported by the calling party, the second parameter indicates( ).

A. the media name

B. the port number

C. the transmission protocol

D. four payload-type numbers

In H.460, ( ) defines the traversal of H.323 media streams between public and private networks.

A. H.460.18

B. H.460.19

C. H.460.20

D. H.460.21

The range of audible frequencies is 20 Hz to 20000 Hz. G.711, G.722, and G.728 support audio signals with a bandwidth ranging from 50 Hz to 7000 Hz. Therefore, for HD video communication, MOLD is used.0

A. TRUE

B. FALSE

NAT types include ( ). (Select 3 answers)

A. Static NAT

B. Dynamic NAT

C. Port mapping

D. Protocol mapping

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

A. TRUE

B. FALSE

Non-T.140 Caption can be sent and received only by H.323 endpoints. ( )

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.