A network engineer must implement an IPv6 configuration on the VLAN 2000 interface to create a routable locally-unique unicast address that is blocked from being advertised to the internet. Which configuration must the engineer apply?
interface VLAN 2000ipv6 address fc00:0000:aaaa:a15d:1234:2343:8aca/64. IPv6 questions depend on prefix scope, correct route syntax, and whether an address is link-local, unique local, multicast, or global unicast. Cisco CCNA 200-301 v1.1 includes this under Network Fundamentals, where the expected skill is identifying the mechanism that actually satisfies the scenario. The wording usually gives the decisive clue: a protocol number, a route prefix, a control-plane role, a wireless security method, or a management command. The wrong answers use an invalid scope, the wrong command family, or a prefix that does not meet the reachability requirement. In a real network, selecting the wrong option would usually produce a failed adjacency, broken client connectivity, insecure management access, or an incorrect forwarding path. The selected answer matches the Cisco behavior and configuration model required by the question, so it is retained as the verified answer for this item.
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