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Question 44

A telephone facility and an electrical facility are required in a tunnel. To reduce the effects of EMI and eliminate the need for additional shielding of the cables, where would each facility be placed?

Options:

On opposite sides of the tunnel

On the same sides of the tunnel

Together on the same pathway for easy access and maintenance

One on the top part and one on the bottom part of the same side of the tunnel

On the exterior of the tunnel

Question 45

Exhibit:

In this future marina layout, what would be the pre-cabling guideline to follow for the terminal A?

Options:

Place distribution cable onto the dock and terminate in a suitable cabinet or enclosure. Run service drop to each boat slip.

Provide one or two pair cables from the boat slips to a distribution terminal on the closest point of land.

Pre-cable each boat slip during construction.

For security, each run should be terminated in the patch panel/ cross-connect at the dockmaster or marina office.

Question 46

The ability of a device to withstand electromagnetic disturbances from another device is:

Options:

Electromagnetic interference (EMI)

Radio Frequency Interference (RFI)

(EMC)

Fast transients

Electrostatic Discharge (ESD)

Question 47

During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion. What is the MOST likely cause?