Which of the following are the two most correct definitions of ISDN reference points?
A. U Reference point is between the ISDN terminal and the network termination
B. U Reference point is between the Network Termination and the Network Exchange Equipment
C. S/T Reference point is between ISDN Terminal Equipment and the Network Termination
D. S/T Reference point is between the Network Termination and the Network Exchange Equipment
If a Y/C cable is plugged in and the result is a black and white video, which signal is not being seen?
A. Red, Green, and Blue signal
B. Super VHS sync signal
C. Luminance signal
D. Chrominance signal
Videoconferencing over IP End Point Systems must use signalling to establish a media channel conference Call Setup. Call Operations are part of what Standard?
A. LAP / B
B. LAP / D
C. H.225/Q.921
D. H.225/H.261
E. H.225/Q.931
Which signals are being used with Y/C video?
A. Red, green and blue
B. Chrominance and luminance
C. Kodachrome and polychrome
D. Yustra spectrum and composite
Session Initiated Protocol uses which command for Call Setup?
A. Registration Request packet
B. Admission Request packet
C. Invite packet
D. IP Call Setup packets described in Q.931
E. IP Call Setup packets described in Q.921
F. None of the above
H.243 Chair Control can be simultaneously performed by how many Visual Telephony Terminals?
A. One
B. Two
C. Ten
D. Unlimited
Which of the following apply to a Video Conferencing System? (Select three of the following options.)
A. Coder / Decoder
B. Audio Translator
C. Audio, Video, Content, and Data Translator
D. Analog to Digital and Digital to Analog Converter
E. Video, Audio, Content, and Data Multiplexer
Which of the following best describes a field of view?
A. What the camera "sees" in a given scene and is measured in volts
B. What the camera "sees" in a given scene and is measured in degrees
C. What the camera "sees" in a given scene and is measured in lumens
D. What the camera "sees" in a given scene and is measured in farads
Which of the following are two examples of Fiber Optic interface problems? (Choose two of the following options.)
A. Splice loss and connection loss
B. Noise
C. Gravity
D. Cable bends
E. EMI - Electro Magnetic Interference
F. RFI Radio Frequency Interference
IP addressing Version 4 uses:
A. 24 bits.
B. 48 bits.
C. 32 bits.
D. 8 bits.
E. 64 bits.
F. 128 bits.
G. none of the above.
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