A. Adequate signs are in place to assist in locating safety equipment.
False — While helpful for safety, signs alone do not constitute an effective control.
B. Servers are secured individually to their racks by locks.
False — Good practice, but may not fully control unauthorized access unless combined with room-level controls.
C. Foam fire extinguishers are operable to protect against electrical fires.
False — Foam extinguishers can damage electrical equipment; typically, CO2 or clean agent extinguishers are preferred.
Thus, Option D best demonstrates an effective physical control.
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Kozy
1 month ago