How does NAT (Network Address Translation) work in the context of the TCP/IP model?
- Encrypts data packets for secure transmission
- Provides Quality of Service (QoS) for network traffic
- Routes packets between different networks
- Translates private IP addresses to public IP addresses for internet communication
NAT operates at the network layer of the TCP/IP model. It allows a network to use private IP addresses internally while communicating with the internet using a single public IP address. NAT modifies the source IP address in outgoing packets to the public IP address and maintains a translation table to route incoming responses back to the correct internal device.
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