RTP:used for Real-time data packets transmission; RTCP: used for Monitoring of RTP session quality of service (QoS) ( )
A. TRUE
B. FALSE
Video loopback is used to check whether the local video input and output are normal.( )
A. TRUE
B. FALSE
If the color rendering index is large, the image color saturation decreases and the video image reproduces a color that is greatly different from the true color.( )
A. TRUE
B. FALSE
The default working mode of the MCU GE1 port is ( ).
A. Video firewall
B. Packet capture
C. Backup
D. Dynamic switching
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
Banner is used to brief the conference content and captions are used to highlight the conference topic.
A. TRUE
B. FALSE
RTCP provides for loose membership control through RTCP SDES packets, which indicate that some participants have left the session. A SDES packet is generated when a participant leaves the session/ or when it changes its SSRC. ( )
A. TRUE
B. FALSE
Video compression includes intraframe compression (I-frame) and interframe compression (P-frame). H.26x, MPEG-2, and MPEG-4 support intraframe or interframe compression. ( )
A. TRUE
B. FALSE
For static NAT, which of the following statements are true about the signaling sent to set up a call from a public network terminal to a private network terminal. ( ) (Select 3 answers)
A. The caller CS address is a NAT address.
B. The callee CS address is a NAT address.
C. The DST address of a public network terminal is a NAT address.
D. The DST address processed by the firewall is a private network address.
323 is used to establish the point-to-point media session and multi-point media conference.( )
A. TRUE
B. FALSE
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