Because of the restriction on display size and MCU resources, the number of panes is better within 16. Otherwise, the video cannot be clearly seen due to the size. ( )
A. TRUE
B. FALSE
Forward error correction uses an algorithm where the transmitting device sends redundant data and the decoding device restores the data streams using the redundant data;( )
A. TRUE
B. FALSE
Conference room design contains( )-(Select 3 answers)
A. Illumination
B. Acoustics
C. Intelligent control
D. Conference room spacing
RTCP is Real-Time Transport Protocol: RTCP does not address resource reservation and does not guarantee quality-of- service for real-time services. The data transport is augmented by a control protocol (RTCP) not allow monitoring of the data delivery in a manner scalable to large multicast networks, and to provide minimal control and identification functionality. ( )
A. TRUE
B. FALSE
How many GKs can be contained in a zone.( ) A. two
B. only one
C. three
D. no limitation
For MCU Video Firewall Mode, no proprietary protocol is used and therefore cooperation between end points of different vendors is allowed. ( )
A. TRUE
B. FALSE
A sound test on the video endpoint checks whether the audio output is normal. ( )
A. TRUE
B. FALSE
( ) methods are available for sites to join an IVR conference.
A. 1
B. 2
C. 3
D. 4
The MCU and network recoding server use ( ) to transmit video streams between each other.
A. IP
B. H.323
C. SIP
D. RTP
The network recording server can simultaneously record conferences and live broadcast them.( ) A. TRUE
A. FALSE
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