问题详情

如何停止一台机器的telnet服务()
A.Put NONE in/etc/telnet.allow
B.Put a line&39;ALL:ALL&39;in/etc/hosts.deny
C.Comment the telnet entry in/etc/inittab
D.Comment the telnet entry in/etc/xinet.conf请帮忙给出正确答案和分析，谢谢！