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31 Days Before Your CCENT Certification by Scott Bennett

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CCNA Discovery 2, Chapter 4

4.2.1: NAT was developed to preserve public IP addresses. A company with numerous hosts that communicate over the Internet only intermittently can save money and provide additional security by using NAT to share public IP addresses among privately addressed hosts. Table 18-2 explores the advantages and disadvantages of NAT.

Table 18-2. Advantages and Disadvantages of NAT

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4.2.2: The following terms define the various addresses and networks used in NAT:

Inside local network: The privately addressed internal network connected to a router.

Inside local address: A private internal IP address assigned to hosts attached ...

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