Which scenario best demonstrates the use of logical network segmentation, and what benefits does it provide to network security?

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Implementing NAT (Network Address Translation) to mask internal IP addresses from external networks

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Installing firewalls at the network perimeter to prevent unauthorized access from the internet

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Using VLANs to separate different departments within a company to isolate sensitive data and reduce the risk of internal threats

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Creating backup physical links to ensure redundancy in case of hardware failure

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