QUESTION: 45

Image flickering is caused by

IR light
White light
Lack of light
Fluorescent light

Answer(s): D

In a dark indoor environment one single Axis illuminator is available. At a distance of 1 m (3 ft 3 in) away from the illuminator the light intensity is 1024 lux. At what distance from the light source will the light intensity be 256 lux?

2 m (6 ft 7 in)
4m{13 ft 1 in)
8 m (26 ft 3 in)
16 m (52 ft 6 in)

Answer(s): A

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QUESTION: 47

Which statement is true for broadcast network traffic?

Broadcast is designed to enable optimized video transmission, since it tolerates network dropouts
Broadcast is not practical for network video transmission, since packets are transmitted to every device on the network
Broadcast is a method for sending video to many recipients over the internet even though their bandwidths vary
Broadcast data packet length is longer than normal Ethernet packets, to accommodate a full video frame

Answer(s): B

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