What is the principle of defense-in-depth?

What is the principle of defense-in-depth?
A . Agentless and agent-based protection for security are used.
B . Several distinct protective layers are involved.
C . Access control models are involved.
D . Authentication, authorization, and accounting mechanisms are used.

View Answer

Answer: B

Explanation:

Defense-in-depth is a security strategy where multiple layers of defense are placed throughout an information technology (IT) system. It addresses physical, technical, and administrative controls to provide redundancy and ensure that if one layer fails, others will be in place to thwart an attack.

Reference: Cisco Tech Roles – CyberOps Engineer