Which is NOT a part of physical security? (a) Biometric access control (b) Security cameras (c) Alarm systems (d) Encryption

Which is NOT a part of physical security? (a) Biometric access control (b) Security cameras (c) Alarm systems (d) Encryption

جو جسمانی تحفظ کا حصہ نہیں ہے؟
Explanation

Encryption is NOT a part of physical security. 

Physical security measures involve tangible barriers and controls.

Encryption is a cryptographic method used to protect data at rest and in transit, which is a logical security measure, not a physical one.