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Multicast allows one or multiple senders (multicast sources) to send one data packet to multiple receivers at a time. ( )
Multicast allows one or multiple senders (multicast sources) to send one data packet to multiple receivers at a time. ( )A . TRUEB . FALSEView AnswerAnswer: A
By establishing multiple cascaded channels between cascaded conferences of MCUs, you can send multiple channels of streams from the local MCU to the remote MCU. ()
By establishing multiple cascaded channels between cascaded conferences of MCUs, you can send multiple channels of streams from the local MCU to the remote MCU. ()A . TRUEB . FALSEView AnswerAnswer: A
Via, From, To, Call-ID, Cseq, the previous five header fields must be contained in every SIP message. ()
Via, From, To, Call-ID, Cseq, the previous five header fields must be contained in every SIP message. ()A . TRUEB . FALSEView AnswerAnswer: A
Video loopback is used to check whether the local video input and output are normal. ()
Video loopback is used to check whether the local video input and output are normal. ()A . TRUEB . FALSEView AnswerAnswer: A
Audio mixing is to mix the several sites with the largest sounds, except for the local site, not to mix the sounds of all sites. ()
Audio mixing is to mix the several sites with the largest sounds, except for the local site, not to mix the sounds of all sites. ()A . TRUEB . FALSEView AnswerAnswer: A
In Multi-channel Cascading, the prioritie at using the multiple channels is ().
In Multi-channel Cascading, the prioritie at using the multiple channels is ().A . they are the sameB . Upper-level MCU > Lower-level MCUC . Upper-level MCU < Lower-level MCUD . user can define itView AnswerAnswer: B
Over an H.460 network, communication between the video terminal and client GK complies with ().
Over an H.460 network, communication between the video terminal and client GK complies with ().B . 460D . 323F . 460.18/19H . 931View AnswerAnswer: B
The methods for scheduling a conference that supports recording include (). (Select 3 answers)
The methods for scheduling a conference that supports recording include (). (Select 3 answers)A . Using the video phoneB . Using the SMCC . Using the video terminal web interfaceD . Using the telepresence system touch panelView AnswerAnswer: BCD
Color temperature is a measure of the quality of optical source and spectrum. The unit of the color temperature is lux (lx). ()
Color temperature is a measure of the quality of optical source and spectrum. The unit of the color temperature is lux (lx). ()A . TRUEB . FALSEView AnswerAnswer: B
In video conferencing system, we have two way to prevent packet loss, one is FEC, the other is ARQ. ()
In video conferencing system, we have two way to prevent packet loss, one is FEC, the other is ARQ. ()A . TRUEB . FALSEView AnswerAnswer: A
