单项选择题
A. Check /etc/hosts.
B. Check /etc/resolv.conf.
C. Check for packet errors.
D. Check to see if the master server is up.
单项选择题 Whichofthefollowingconclusionsismostappropriatetodrawtodescribewhydushowsfewerblocksusedthandf?（）
单项选择题 Thesysdumpdevcommandcanbeusedtoconfigureremotedumpdevices.WhichofthefollowingconditionsisNOTusedforaremotedumpdeviceconfiguration?（）
单项选择题 AmachinehasjustbeeninstalledwithAIX,andnosystemparametershavebeenchanged.Inordertoenableroutingfunction,whichofthefollowing"no"optionsshouldbechanged?（）