Which of the following are the lower layer Standards that describe the Transport, Control, and Multipoint Communication Services of T.120?
A. T.121, T.122, T.123, T.124
B. T.120, T.121, T.122, T.123
C. T.122, T.123, T.124, T.125
D. T.120, T.122, T.123, T.124
Session Initiated Protocol is used to replace what?
A. Gatekeeper
B. Gateways
C. Analog Telephone Option
D. Multipoint Conferencing (Control) Unit
E. Ethernet Routers
In-Band T.120 uses the
A. ISDN Channel 8 and Dial Up Analog Modem channels.
B. MLP and HMLP channels
C. Fifth and Sixth channels of ISDN calls.
D. None of the other alternatives apply.
Video Conferencing Terminals that are designed to tolerate Network delay, packets lost, packets out of sequence, and jitter are called .
A. H.323 Terminals
B. H.321 Terminals
C. H.320 Terminals
D. T.120 Data Transfer ANSI Terminals.
E. F.150 Terminals
Which camera control function causes video image to change from bright to dark and back to bright as you pass different light sources?
A. Iris control
B. Contrast control
C. PTZ control
D. Focus control
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 items, best describes gain?
A. Increase or decrease to a signal voltage as a passes through a given component
B. Increase only to a signal voltage as it passes through a given component
C. Decrease only to a signal voltage as it passes through a given system component
D. None of the other alternatives apply.
Broadband Connectivity is synonymous with
A. Frame Relay Networks.
B. Internet Protocol Networks.
C. Cable Modem Internet Services.
D. Digital Subscriber Line Services.
E. All of the other alternatives apply.
F. Asynchronous Transfer Mode Networks.
Internet IP Mask value is "Boolean Anded" with IP Address and is used to designate and identify the of the IP Address bits.
A. NETWORK ID and the HOST ID
B. WAN ID and LAN ID
C. All of the other alternatives apply.
D. HOST ID and other HOST ID
E. NETWORK ID and the other NETWORK ID
IP addressing Version 4 uses
A. 128 bits.
B. 48 bits.
C. None of the other alternatives apply..
D. 8 bits.
E. 64 bits.
F. 32 bits.
G. 24 bits.
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