All of the following services are controlled by inetd EXCEPT：（）。

单项选择题ToexaminetheExhibit，presstheExhibitbutton.Thesystemadministratornoticesasystemwithroutingcannotcommunicatewithasystemwithanipaddress192.24.34.6.Usingtheinformationprovidedintheexhibit，whatisthemostlikelyreason？（）

A.The named is not running
B.The default gateway is not set
C.The NIS master server is down
D.Ipforwarding is not turned on

单项选择题Whichofthefollowinglineswillbeaddedtothefile usr lib uucp DevicesontheSLIPservermachineforaSLIPconnectionontty1？（）

A.direct 9600 - tty1
B.direct tty1 - 9600
C.Direct tty1 - 9600
D.Direct /dev/tty1 - 9600