Which NAT type is used to translate a single inside address to a single outside address?

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Which NAT type is used to translate a single inside address to a single outside address? 1ITExamAnswers Staff asked 6 months ago
Question:
Which NAT type is used to translate a single inside address to a single outside address?

  • dynamic NAT
  • NAT overload
  • PAT
  • static NAT

Explanation: There are two types of NAT translation: dynamic and static.

Static NAT: Designed to allow one-to-one mapping between local and global addresses. This flavor requires you to have one real Internet IP address for every host on your network

Dynamic NAT: Designed to map an unregistered IP address to a registered IP address from a pool of registered IP addresses. You don’t have to statically configure your router to map an inside to an outside address as in static NAT, but you do have to have enough real IP addresses for everyone who wants to send packets through the Internet. With dynamic NAT, you can configure the NAT router with more IP addresses in the inside local address list than in the inside global address pool. When being defined in the inside global address pool, the router allocates registered public IP addresses from the pool until all are allocated. If all the public IP addresses are already allocated, the router discards the packet that requires a public IP address.

In this question we only want to translate a single inside address to a single outside address so static NAT should be used.

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