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单选题
Which statement best describes configuring access control lists to control Telnet traffic destined to therouter itself?()
A

The ACL applied to the vty lines has no in or out option like ACL being applied to an interface.

B

The ACL is applied to the Telnet port with the ip access-group command.

C

The ACL must be applied to each vty line individually.

D

The ACL should be applied to all vty lines in the in direction to prevent an unwanted user from connecting to an unsecured port.


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