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What is one reason to use NAT?
to dynamically allocate IP addresses from a DHCP server to hosts
to conserve IPv6 IP addresses
to conserve IP addresses regardless of versions used
to conserve IPv4 addresses
Key benefits of NAT are IPv4 address conservation, ease of management, and IP address and application privacy. NAT enables unregistered IP addresses (as defined in RFC 1918) used by private networks to connect to the internet. NAT can also makes use of ports for direct IPv6-IPv4 communication by using NAT-PT. NAT overloading or PAT is used for translating addresses by using ports instead of one-to-one IPv4 address translation. Translations come with Static or Dynamic translation methods.
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