NAT (Network Address Translation)
24x7 access to a service hosted internally Web server, gaming server, security system, etc External IP/port number maps to an internal IP/port Does not have to be the same port number Also called Destination NAT or Static NAT Destination address is translated from a public IP to a private IP Does not expire or timeout Port forwarding
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This question appears on 5 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.
24x7 access to a service hosted internally Web server, gaming server, security system, etc External IP/port number maps to an internal IP/port Does not have to be the same port number Also called Destination NAT or Static NAT Destination address is translated from a public IP to a private IP Does not expire or timeout Port forwarding
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A technique that uses a gateway that allows multiple devices to share a single IP address
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