SY0-301 Question #519: Real Exam Question with Answer & Explanation

The correct answer is C: Layered security.. Layered security (also called defense-in-depth) is the practice of deploying multiple, overlapping security controls so that if one fails, others continue to protect the environment. Using a firewall, content filter, antivirus, and IDS together is a classic example. Redundant sys

Question

Concurrent use of a firewall, content filtering, antivirus software and an IDS system would be considered components of:

Options

ARedundant systems.
BSeparation of duties.
CLayered security.
DApplication control.

Explanation

Layered security (also called defense-in-depth) is the practice of deploying multiple, overlapping security controls so that if one fails, others continue to protect the environment. Using a firewall, content filter, antivirus, and IDS together is a classic example. Redundant systems (A) refers to duplicate components for availability/failover, not varied security tools. Separation of duties (B) is an access control concept. Application control (D) restricts which software can run, which is just one control.

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