A mic-level audio signal will measure as
A. 10 gigaVolt.
B. 10 kiloVolt.
C. 10 miliVolt.
D. 10 Amp.
E. 10 Watt.
Videoconference H.323 Control Functions using Logical Channels for FECC are called
A. capabilities sessions.
B. uni-directional UDP logical channels.
C. master slave channels.
D. bi-directional UDP logical channels.
IP address 63.8.9.0 with Mask 255.255.0.0 describes the address of a
A. All of the other alternatives apply.
B. Multipoint Conferencing (Control) Unit.
C. Videoconferencing System.
D. IP Host.
Which of the following are Call Establishment packets? (Select three of the following options.)
A. Receiver Ready
B. Alerting
C. Release Request
D. Release Complete
E. Receiver Not Ready
F. Setup
G. Connect Acknowledged
H. Disconnect Request
Which two types of Networks are capable of providing consistent, guaranteed QoS Constant Bit Rate Transport with a steady reliable clock source?
A. ISDN Circuit Switched Data
B. ISDN D-Channel
C. Public Virtual Private Network
D. X.25 / X.75 Packet Switching
E. ATM CBR-AAL0 Service
F. ISDN Circuit Switched Voice
Quarter Common Intermediate Format has
A. four times more resolution than CIF.
B. twice the resolution of CIF.
C. None of the other alternatives apply.
D. half the number of lines of 4CIF.
Which of the following correctly describes the term "half duplex" as it refers to audio in a videoconference?
A. Only one person at a time is allowed to speak in a given room attending a conference.
B. Only one site of a conference is allowed to speak at any given time.
C. Only one person at a time is heard speaking from any given room.
D. Only one site of a conference is heard at any given time.
Which of the following describes frequency response?
A. Ability of a circuit to define operating frequency limits
B. Ability of a device to operate within defined frequency limits
C. Ability to determine frequency content of a signal
D. Ability of a device to respond to amplitude changes
Which of the following apply to a Video Conferencing System? (Select three of the following options.)
A. Analog to Digital and Digital to Analog Converter
B. Audio, Video, Content, and Data Translator
C. Coder / Decoder
D. Video, Audio, Content, and Data Multiplexer
E. Audio Translator
Selected Communication Mode is the command sent by the to the H.320 End Points
A. Switch
B. VTC
C. Router
D. MCU
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