单项选择题
A.Run the script with an ’sh -x’ in front.
B.Run the script with a ’ksh -v’ in front.
C.Type debug into the command line before running the script.
D.Type ’set -x’ into the command line before running the script.
单项选择题 ForNIMtoinstallclientmachineslocatedinanon-adjacentnetwork，whichroutingmustbedefined？（）
单项选择题 HowcantheadministratordisplaythebootpathsfromwhichAIXcanboot？（）
单项选择题 Asystemisexperiencingnameresolutionissues.Theadministratorhasverifiedthat/etc/resolv.confissuitablyconfiguredusingcorrectsyntax.However，processesrunbynon-rootusersarefailingtoresolveanyhostnamestoIPaddresseswiththeerror’Noresponsefromserver’.Whichtoolwillhelptracethenslookupcommandinanattempttoinvestigatetheproblem？（）