The H.323 Visual Telephony related ITU-T Standards defines the Media Gateways as
A. Packet to Channel Media Conversion.
B. All of the other alternatives apply.
C. None of the other alternatives apply.
D. Packet to ATM Broadband Conversion.
E. Packet to VSATSatelite Communications.
Which of the following refers to a server application used to dynamically assign the IP address and Mask address values?
A. Light-weight Directory Access Protocol
B. Static IP Address Program
C. Windows Internet Naming Services
D. Dynamic Host Configuration Protocol
E. Domain Name Service
Pick the best match; Audio "Critical Distance" is a definition that relates to:
A. Distance between the walls, floor to ceiling, and doorways
B. Distance between the audio amplifier inputs and room microphone
C. Distance between the video display monitor and camera
D. Distance between the person speaking and the microphone used
Muting an audio during a connected videoconference is typically performed when you
A. need to hang up the video call.
B. are listening and your room is very noisy.
C. do not want to hear the other parties.
D. need to move conference table.
E. need to move the microphone.
Which Network Services speeds are governed by cable length and cable wire gauge?
A. B-Channels
B. D-Channels
C. Integrated Services Digital Network Primary Rate
D. Digital Subscriber Line Services
E. Packet Switching
In the H.323 document which two components are described for Multipoint Conferencing?
A. Multipoint Controller and the Multipoint Processor
B. Data Processor and Video Switcher
C. None of the other alternatives apply.
D. Multipoint Audio Processor and D-Channel Network Interface Processor
The H.320 Terminals that are able to call a Gateway and connect to an H.323 Terminal by dialing the
E.164 alias, registered with the Gatekeeper, are called
A. T.120 Terminals.
B. H.323 Terminals.
C. H.221 Terminals.
D. H.321 Terminals.
E. Obsolete H.320 Terminals.
F. TCS-4 Terminals.
A telephone call over the Public Switched Telephone Network is what type of quality?
A. Narrow band audio
B. Center band audio
C. Wide band audio
D. CD quality audio
Which of the following describes Switched Virtual Circuits?
A. Dedicated connections through a channel circuit network
B. Permanent connections through a Packet Network
C. Temporary connections through a DACS
D. Temporary connections through a Packet Network
Approximately how many Host IDs can be addressed with one Class B Network address?
A. 256,000
B. 32,000
C. 65,000
D. 250,000
E. 128.000
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