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ISACA Certified Information Systems Auditor · Isaca
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Should be Protected.
An emergency power-off switch should be C. be protected. The purpose of an emergency power-off switch is to quickly shut down power to a system or facility in case of an emergency situation. To ensure its effectiveness and prevent accidental or unauthorized activation, the emergency power-off switch should be protected. This protection can be in the form of physical safeguards, such as placing the switch in a locked enclosure or behind a protective cover, to prevent unintended or unauthorized access.
from ISACA's manual review : Emergency Power-off Switch There may be a need to immediately shut off power to the computer and peripheral devices, such as during a computer room fire or emergency evacuation. Two emergency power-off switches should serve this purpose—one in the computer room, the other near, but outside, the computer room. Switches should be clearly labeled and easily accessible, for this purpose, yet they should still be secure from unauthorized people. The switches should be shielded to prevent accidental activation.