单项选择题
A.nat B.PAT C.NPAT D.以上都是
A.地址B.端口C.地址+端口D.都不对
A.mv/home/user1/aaabbb B.mv/home/user1/aaa/home/user1/bbb C.cp/home/user1/aaabbb D.cp/home/user1/aaa/home/user1/bbb