单项选择题
A./etc/rc.nfs
B./etc/rc.tcpip
C./etc/rc.net
D./etc/inetd.conf
单项选择题 A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed： # cu -ml tty2 cu： 0835-028 The connection failed. NO DEVICES AVAILABLE. Which of the following should be performed to correct this error？（）
单项选择题 WhichofthefollowingisTRUEabouttheateprogram？（）
单项选择题 Whichofthefollowinglineswillbeaddedtothefile/usr/lib/uucp/DevicesontheSLIPclientmachineforaSLIPconnectionontty1？（）