Which of the following best describes 64,000 bits per second?
A. DS0
B. CEPT1
C. DS1
D. DS3
The T.127 and T.128 ITU-T Standards are used for which two functions?
A. Video and Audio Switching and Routing.
B. Scan Converter Application
C. Sharing Windows Applications
D. White Boarding Application
E. Multipoint File Transfer Application
What are the termination impedance and the signal level for PAL video?
A. 75 Ohms and 1Vpp
B. 50 Ohms and 2Vrms
C. 75 Ohms and 1Vrms
D. 50 Ohms and 1Vpp
UDP Media Channels are identified by
A. 32 bit Source Port Number and 32 bit Destination Port Number.
B. 48 bit MCU Number and the 32 bit Gateway Number.
C. V35 Port and RS449 Port.
D. None of the other alternatives apply..
E. 16 bit Source Port Number and 16 bit Destination Port Number.
F. 32 bit Address or Signaling Port and ISDN Port Number.
The scope of H.225 Standard describes
A. video and audio coders for H.323.
B. the Coding Operation details for video and audio.
C. channel bandwidth sub-division.
D. the means by which audio, video, data, and control are associated, coded, and channelized for transport between H.320 equipment on a channel network.
E. the means by which audio, video, data, and control are associated, coded, and packetized for transport between H.323 equipment on a packet-based network.
Which ITU-T Standard describes the MCU or Video Bridge for Audio Visual Terminals?
A. H.241
B. H.231
C. H.242
D. G.711
E. 722
F. H.230
Digital Access Cross-Connect Systems are used for Networks that are
A. Packet Network Routers.
B. Ethernet Switches.
C. Dedicated Digital Channel Time Division Multiplexing Networks.
D. Switched Digital Channel Multiplexing Networks.
Which of the following are the Audio and Video Multiplexing, Transport, and Control / Communications procedures for H.320?
A. H.221 / H.242
B. H.221 / H.241
C. H.224 / H.244
D. H.225 / H.245
Which of the following most accurately defines white balance?
A. A feature that splits the signal between the red, green, and blue components to make white
B. The amount of white pixels that appear in a video frame
C. A feature that adjusts the signal between the red, green, and blue components that yield white video signals.
D. A feature that eliminates noises distributed uniformly over the frequency spectrum
Which of the following is the channel used to carry the signaling for H.320 Terminals?
A. Initial Channel
B. Bearer Channel
C. Data Channel
D. Audio Channel
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