单项选择题
A. Increase the size of /var.
B. Check /etc/qconfig file.
C. Check the default route.
D. Check for name resolution.
单项选择题 Thefollowingentryhasbeenaddedtothesyslog.conffile:*.emerg;mail,daemon.crit@sysadminWhichofthefollowingwillresultfromthisentry?（）
单项选择题 Whichofthefollowingproceduresshouldbeperformedtorundiagnosticsinsingle-usermode?（）
单项选择题 Ausertriestotelnetintoasystemthatwaspreviouslyaccessiblebutgetsthefollowingerror:"telnetd:0403-031forkfunctionfailed,thereisnotenoughmemoryavailable."netstat-mshowsthat0mbuferrorshaveoccurred.Whichofthefollowingconclusionsismostappropriatetodrawaboutthiserror?（）