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A single-line ACL has been added to a router configuration using the command "ip access-list 1 permit 172.16.4.0 0.0.1.255".
The configuration also includes the "ip access-class 1 in" command in VTY configuration mode.
Which answer accurately describes how the router uses ACL 1?

a. Hosts in subnet 172.16.4.0/23 alone can telnet into the router.
b. CLI users cannot telnet from the router to hosts in subnet 172.16.4.0/23 alone.
c. Hosts in subnet 172.16.4.0/23 alone can log in but cannot reach enable mode of the router.
d. The router will only forward packets with source addresses in subnet 172.16.4.0/23.

Respuesta :

estryzy

Answer:

The correct option is A: Hosts in subnet 172.16.4.0/23 alone can telnet into the router.

Explanation:

Hosts in subnet 172.16.4.0/23 alone can telnet into the router. The router takes care as long as the ACL 1 in the access-class is being used for the parameter IN or OUT, because it totally changes its operation.

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