单项选择题
A.lsdev
B.chdev
C.sysdumpdev
D.sysdumpstart
单项选择题 AsystemadministratoriscurrentlyworkingonaproblemwithIBMSupport.Theadministratorfeelsthattheirexpectationsarenotbeingmetonthisproblem.WhatistheIBMrecommendedproceduretoensurethattherequestishandledappropriately？（）
单项选择题 AsystemadministratoridentifiedaproblemwithanAIXcommandandimplementedawork-around.AcallwasmadetoIBMSupporttoreporttheproblem.Whatseveritylevelshouldtheadministratorchoose？（）
单项选择题 Whichofthefollowingcommandswillclearallsoftwareentriesintheerrorlog？（）