NAT can stop sniffers from learning anything about the internal IP addresses.

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Multiple Choice

NAT can stop sniffers from learning anything about the internal IP addresses.

Explanation:
NAT hides internal addresses by translating private IPs to a public IP for outbound traffic. When a device inside your network talks to the Internet, the NAT gateway rewrites the source address to its own public address and keeps a mapping back to the internal host. A sniffer capturing packets on the public Internet would see only the NAT’s public address (and port), not the internal private IP. Because of this translation, external sniffers can’t learn the internal IP addresses from traffic observed outside the network. It’s important to remember NAT isn’t a security boundary in itself, but it does provide a layer of privacy for internal addresses against external observers.

NAT hides internal addresses by translating private IPs to a public IP for outbound traffic. When a device inside your network talks to the Internet, the NAT gateway rewrites the source address to its own public address and keeps a mapping back to the internal host. A sniffer capturing packets on the public Internet would see only the NAT’s public address (and port), not the internal private IP. Because of this translation, external sniffers can’t learn the internal IP addresses from traffic observed outside the network. It’s important to remember NAT isn’t a security boundary in itself, but it does provide a layer of privacy for internal addresses against external observers.

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