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CCNA Practice Test - 50
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When NAT is in use, what is used to determine the addresses that can be translated on a Cisco router?
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A
Access control list
💡 Explanation:
On Cisco routers, Network Address Translation (NAT) uses Access Control Lists (ACLs) to define which IP addresses are eligible for translation. The ACL acts as a match criterion that specifies the 'inside local' addresses that should be translated to 'inside global' addresses. Routing protocols, interfaces, and ARP cache are not used for this purpose.