【单选题】
A Access control lists that are applied outbound to a router interface do not affect traffic that is sourcedfrom the router.
B After an access control list is applied to an interface, that interface must be shut and no shut for the access control list to take effect.
C Only standard access control lists can block traffic from a source IP address.
D The access control list must contain an explicit deny to block traffic from the router.
查看更多