Which of the following devices is used to change Sound Energy into Electrical Energy for the purpose of the Far-End audience to hear the Near -End audience?
A. Sound pressure meter
B. Loud speaker
C. Mixer
D. Desk top microphone
Defective Local Loop may introduce what two problems? (Pick two of the following options.)
A. Cyclic Redundancy Errors
B. Intermittent codec network connections
C. Network Channel Clocking Delay
D. Over-voltage to the codec camera
E. Over-voltage to codec power supply
High Definition Video is best described as
A. Video Signal made up of 8X8 blocks of pixels.
B. Video Signal that consists of luminance scan interlaced lines.
C. Video signal that represents 720 lines of pixels, progressively scanned.
D. Video Signal made up of 40X40macroblocks pixels.
Which of the following audio coding provides a frequency response bandwidth range of 50- 7000Hertz?
A. G.726 and G.729
B. G.723.1 and G.729
C. G.711 and G.721
D. G.722 and G.722.1
E. G.721 and G.725
The Network Feature Protocol used to allow the sharing of a Layer 3 IP to be used to originate IP Sessions on the Private Network and allow for one Layer 3 address with various Layer 4 address connections on the Public Internet is called
A. Port Address Translation.
B. Wire Services.
C. Network Gateway Translation.
D. Network Address Translation.
E. Fire Wall Translation.
F. Bearer Services.
Network Specific Facilities Identifier in the "Call Setup Packet" allows for the selection of network
A. priority.
B. dialed numbers.
C. carrier.
D. speed.
Which of the following is the cabling required for 2 pair (4 wire) 100BaseFast Ethernet?
A. CAT5e
B. CAT6
C. CAT3
D. CAT5
Under normal operating conditions, Microphone and Audio amplification system should have sufficient to operate without clipping.
A. amplitude bias space
B. headroom
C. voltage feedback
D. 100db padding
E. videoroom
F. no padding
Which of the following video display resolutions are true 16:9 Aspect Ratio?
A. 720X480
B. 1920X1080
C. 1280X720
D. 1024X768
Low Speed Data Channel is defined as bandwidth capable of providing
A. up to 133,600 bits per second.
B. up to 64,000 bits per second.
C. multiple circuits of 64,000 bits per second.
D. up to 1,920,000 bits per second.
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