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CompTIA Security+ SY0-701 Practice Question

Which network setup involves isolating a system from external network connections to enhance security?

Virtual LAN (VLAN)
Split tunneling
Air-gap
Software-defined network (SDN)

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Answer Description

An air-gap refers to a network security measure where a system is physically isolated from unsecured networks, preventing external communication. This isolation enhances security by eliminating pathways that could be exploited by attackers. In contrast, a Virtual LAN (VLAN) and a software-defined network (SDN) provide logical network segmentation but do not physically isolate systems. Split tunneling allows simultaneous access to secure and unsecured networks, which can introduce security risks.

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CompTIA Security+ SY0-701

Security Architecture

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General Security Concepts

Threats, Vulnerabilities, and Mitigations

Security Architecture

Security Operations

Security Program Management and Oversight

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