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Which one of the following statements is true about Static NAT?
addresses are automatically changed
addresses are renewed automatically based on the configured renewal time
dynamic mapping of local and global addresses can be established
addresses stick permanently to the NAT table unless changed administratively
With Static NAT, addresses remain in the NAT table until manually deleted. They exist in the NAT translation table as soon as static NAT command(s) are applied. Dynamic NAT addresses have a timeout period after which they are purged (removed) from the translation table. Translations only exist when the router receives traffic that requires translation such as private IP address (defined in RFC 1918) communicating outside its local network (Internet).
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