Using different color-temperature light sources will compromise which part of the camera performance?
A. Brightness
B. White Balance
C. Field of View
D. PTZ
How many "Groups of Blocks" are used to create the Full CIF resolution?
A. 12
B. 48
C. 10
D. 3
Customer owned Private Branch Exchange is best described as
A. a switch located at the Network Facilities office.
B. a multiplexer located at the customer premise.
C. a switch located at the customer premise.
D. an obsolete network device.
E. All of the above
ISDN provides out-of-band signaling by introducing
A. Digital Data splicing for signals.
B. Data Channel for signals.
C. Bearer Channel for signals.
D. Supplementary Channel for signals.
Which of the following describes what function Multicast allows the H.323 Terminal to perform?
A. Make a Multipoint call
B. Make several simultaneous video calls from one Terminal
C. Engage in Multipoint data collaboration
D. Identify several H.323 Terminals as recipients of a broadcast video stream
Which three H.263 Video Coder Annexes are used to Improve Video Quality transported through a Non-QOS Network by introducing Reference Picture Selection, Advanced Prediction, and Reference Picture Resampling by a factor of 4?
A. Annex N
B. Annex F
C. Annex L
D. Annex P
E. Annex Q
What is the audio data rate in bits per second that a G.723.1 and G.729 audio algorithms that use over a network connection?
A. greater than 64,000
B. greater than 16,000
C. less than 5,000
D. less than 10,000
What effect does natural daylight from a window have on video?
A. It causes the video to be out of focus.
B. It causes the picture to have a bluish tint.
C. It causes the iris to close, which makes images appear dark.
D. It causes the iris to open, which makes images appear bright
Real Time Transport Protocol and Real Time Transport Control Protocol are used to provide:
A. Lower Layer Transport of Data Collaboration.
B. Lower Layer Transport of Audio and Video.
C. Upper Layer Data Packet Sequencing, Timing, and Synchronization for Audio and Video.
D. Upper Layer Packet Loss and Packet Errors Statistics and Corrective Action.
E. A and B.
F. C and D.
G. all of the above.
IP address 172.52.12.27 is which type of address?
A. Class A
B. Class B
C. Class C
D. Class D