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Questions # 21:

What does a microphone's polar pattern indicate?

Options:
A.

Sound sensitivity in different directions

B.

Performance in cold temperatures

C.

Peak noise level

D.

6dB drop-off at 270 degrees

Expert Solution
Questions # 22:

When mounting equipment to a concrete substructure, which fastener is the most likely to be used?

Options:
A.

Toggle Bolt/Spring Toggle

B.

Self tapping screw

C.

Drop in Anchor

D.

Molly Bolt/hollow wall anchor

Expert Solution
Questions # 23:

Which of the following is a compiled program?

Options:
A.

Machine code

B.

DVD titles

C.

RAW codec

D.

Control script

Expert Solution
Questions # 24:

Which of the following does HDCP 2.x support? (Choose all that apply.)

Options:
A.

128 connected devices for each transmitter

B.

4 layers or repeater levels for each transmitter

C.

7 layers or repeater levels for each transmitter

D.

32 connected devices for each transmitter

Expert Solution
Questions # 25:

Which of the following are limitations of an IR control system? (Choose all that apply.)

Options:
A.

It does not provide feedback that commands have been executed.

B.

It requires direct line of sight to the device's control point.

C.

It may be subject to interference from ambient light.

D.

It always requires batteries.

Expert Solution
Questions # 26:

What should you be aware of when installing an electric front-projection screen? (Choose all that apply.)

Options:
A.

Keep it horizontal when stored or transported.

B.

Some motorized screens have a motor inside the housing.

C.

In a return-air plenum ceiling, local codes apply.

D.

Use the manufacturer's specification for setting physical switches.

Expert Solution
Questions # 27:

What is a projector's throw distance?

Options:
A.

the screen diagonal measurement when the projector is at 196.8 inches (4999 mm)

B.

the zoom ratio of the projector

C.

the distance between a location on the projector to the screen for a given image size

D.

The distance between the projector's lens and the floor

Expert Solution
Questions # 28:

What are the limitations of a Wi-Fi network for streaming live HD video? (Choose all that apply.)

Options:
A.

Lower bandwidth than wired connections

B.

Expensive infrastructure

C.

Potential RF interference

D.

Restrictions on range

Expert Solution
Questions # 29:

Which sequence of numbers depicts part of a logarithmic scale?

Options:
A.

1, 2, 3, 5, 8

B.

1, 10, 100, 1000

C.

1, 2, 3, 4

D.

1, 13, 26, 49

Expert Solution
Questions # 30:

In electronics, bandwidth is expressed in terms of the frequency of ___.

Options:
A.

Light

B.

Voltage

C.

Connections

D.

Signal

Expert Solution
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