Which network setup involves isolating a system from external network connections to enhance security?
Air-gap
Software-defined network (SDN)
Virtual LAN (VLAN)
Split tunneling
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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