Which statement best describes Port Address Translation (PAT), a variant of NAT?
- It assigns a unique public IP address to each internal device.
- It doesn't allow internal devices to access the internet.
- It only works with HTTP traffic.
- It translates multiple private IP addresses to a single public IP address using different ports.
Port Address Translation (PAT) is a variation of Network Address Translation (NAT) in which multiple devices on a local network are translated to a single public IP address, with different port numbers to keep track of which internal device the traffic belongs to. This enables multiple internal devices to share a single public IP address.
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