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Which of the following would reduce the connectivity issues?

A technician is investigating intermittent switch degradation. The issue only seems to occur when the building’s
roof air conditioning system runs. Which of the following would reduce the connectivity issues?

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A.
Adding a heat deflector

B.
Redundant HVAC systems

C.
Shielding

D.
Add a wireless network

Explanation:
EMI can cause circuit overload, spikes, or even electrical component failure. In the question it is mentioned that
switch degradation occurs when the building’s roof air-conditioning system is also running. All
electromechanical systems emanate EMI. Thus, you could alleviate the problem using EMI shielding.

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