A.“或” B.“與” C.“異或” D.“同或”
A.rule 0 deny source 192.168.0.0255.255.255.0 B.rule 2 deny source 192.168.0.00.0.0.255 C.rule 3 deny source 192.168.0.024 D.rule 4 deny source 192.168.0.00.0.255.255