The H.264 supports which of the following frame rates?
A. 30, 10 only
B. 30, 15, 12, 7.5 only
C. 30, 15, 10, 7.5, 6, 5, 4, 3, 2, and 1
D. 30, 10, 7.5, 6 only
Which of the following are the two most correct definitions of ISDN reference points?
A. S/T Reference point is between the Network Termination and the Network Exchange Equipment
B. S/T Reference point is between ISDN Terminal Equipment and the Network Termination
C. U Reference point is between the Network Termination and the Network Exchange Equipment
D. U Reference point is between the ISDN terminal and the network termination
MCU is the acronym for which of the following?
A. Multipoint Control Unit
B. Multipoint Capabilities and Unidirectional
C. Management Conferencing Union
D. Management Control Unit
What effect does the zoom function have relative to the camera's field of view?
A. It can either widen or narrow the field at full zoom.
B. It narrows the field at full zoom.
C. It widens the field at full zoom.
D. It has no effect on the field of view.
Which of the following correctly describe the role room acoustics play regarding acoustic echo cancellation?
A. Hard room surfaces act as reflectors for sound, causing multiple acoustic paths from loudspeaker to microphone.
B. Fans, heaters, and air conditioners add background noise to the room, changing the room acoustic paths.
C. Heavy drapes and acoustic absorbers remove acoustic paths and therefore cause problems for acoustic echo cancellers.
D. People moving around in a room change the acoustic paths presented to a microphone.
The H.225 describes a reliable transport for which two video conferencing requirements?
A. Data (T.120) Packets
B. Call Signaling Packets
C. Audio Packets
D. RAS Signaling Packets
E. Video Packets
Where is the G.711 A-law used?
A. ATM Networks
B. T1 Networks
C. T3 Networks
D. E1 Networks
When configuring VTCs and MCUs to Statically configured IP networks what three settings would need to be provided for the system parameters?
A. IP Date and Time Clock
B. IP Network Provider Name
C. IP Network Speed in Packets per second
D. IP Mask
E. Default Gateway (Router)
F. Domain Name Settings
G. IP Network Speed in Bytes per second
H. IP Address
Local Area Network Metallic Interfaces are
A. C and D
B. connectionless oriented connectivity, shared network that serves limited distances.
C. connection oriented, point to point connectivity only.
D. connectionless oriented connectivity, shared network that serves unlimited distances.
E. All of the other alternatives apply.
F. unshared network that serves unlimited endpoints.
If a Y/C cable is plugged in and the result is a black and white video, which signal is not being seen?
A. Chrominance signal
B. Red, Green, and Blue signal
C. Super VHS sync signal
D. Luminance signal
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