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CompTIA Security+ SY0-701 Practice Question

Which type of security control is primarily used to identify unauthorized access or activities on a network?

Firewalls
Security Policies
Intrusion Detection System (IDS)
Backup Systems

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Answer Description

Detective controls are designed to identify and record unauthorized activities or access within a system or network. Intrusion Detection Systems (IDS) are a perfect example of detective controls since their main purpose is to detect potential security breaches, log security events, and alert systems or network administrators. While firewalls are used for prevention, and security policies guide user behavior, they are not primarily used to detect unauthorized activities.

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CompTIA Security+ SY0-701

General Security Concepts

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General Security Concepts

Threats, Vulnerabilities, and Mitigations

Security Architecture

Security Operations

Security Program Management and Oversight

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