Which of the following describe video dynamics as processed through a videoconference system?

A. Codecs have more restrictive limits than cameras, and the best way to accurately assess the video quality sent to the far-end is to view a video scene fully coded and then decoded.

B. Codecs have the same limits as cameras and therefore will not change the perceived qualities of the video as rendered by the cameras.

C. Cameras react to light the same as ones eye and video monitors accurately render the video information so what one sees by eye is what the far-end sees.

D. Cameras have limits to the range of light levels which can be accommodated and tend to process the darker regions further toward black than what ones eye sees.

A person is wearing a vertically striped shirt and is sitting in front of a large window with closed blinds. What effect does this have on camera focus?

A. It has no adverse effect.

B. The picture will be out of contrast.

C. The iris will open and the picture will be bright

D. The camera will be unable to focus correctly.

Which of the following video display resolutions are true 16:9 Aspect Ratio?

A. 720X480

B. 1920X1080

C. 1280X720

D. 1024X768

In a point-to-point videoconference your system is 15 fps, and the far-end is 30 fps. How many frames per second will the far-end viewer see under normal conference conditions?

A. 30 fps

B. 7.5 fps

C. 15 fps

D. 10 fps

S-Video Connections are typically designed with what type of connectors?

A. Banana plug

B. 4-Pin Mini-DIN

C. Phoenix

D. RCA

E. Jones strip

Which of the following are associated with the operation of an Acoustic Echo Canceller (AEC)?

A. Room loudspeakers

B. Automatic gain control

C. Noise suppression

D. Room microphones

ISDN provides out-of-band signaling by introducing

A. Data Channel for signals.

B. Supplementary Channel for signals.

C. Bearer Channel for signals.

D. Digital Data splicing for signals.

Full dedicated T1 speed is also defined as .

A. H10

B. H12

C. H11

D. H0

Which four digital interfaces are capable of operating at rates up to 2 Million Bits per second?

A. X.25

B. X.21

C. RS530

D. RS-232

E. V.35

F. Q.931

G. RS449

H. V.25

Network Operating Systems will typically introduce dynamic network functions and security by creating and controlling a hierarchy.

A. Client to Client Relationship

B. People to Software Police Relationship

C. Client to Server Relationship

D. Client to Software Police Relationship

E. Client to Network Switch Relationship

F. People to People Relationship