A.IP services B.Active ports C.Identified network topology D.Modem banks
A.TCP 1434 B.TCP 1521 C.TCP 1433 D.TCP 1522
A.注銷/etc/default/login文件中console=/dev/console B.保留/etc/default/login文件中console=/dev/console C.在文件/etc/hosts.equiv中刪除遠(yuǎn)端主機(jī)名 D.在文件/.rhosts中刪除遠(yuǎn)端主機(jī)名