An organization needs to ensure that its most critical systems are protected from external network threats and unauthorized access. Which of the following methods provides the MOST secure way to achieve this level of isolation?
Employ network address translation (NAT) for these devices
Implement an air-gapped network for these systems
Install a firewall to filter traffic between these systems and other networks
Use a VLAN to segment these systems from the corporate network
Implementing an air-gapped network means these critical systems are physically disconnected from any other networks and the internet, providing the highest level of isolation. This prevents remote access and network-based attacks. While using VLANs, firewalls, or NAT can enhance security through logical segmentation and filtering, they do not offer the same level of isolation because the systems remain connected to other networks, potentially exposing them to threats.
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What is an air-gapped network?
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What are VLANs and how do they enhance security?
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