单项选择题
Anadministratorisplanninganupgradeofamajorsoftwarepackageonanapplicationserver.The softwarehasbeentestedsuccessfullyinatestenvironmentanditisreadytogointoproduction.Whichof thefollowingstepsshouldtheadministratortakenext?()
A.Identifynecessaryoperatingsystemupdates
B.Implementthechange
C.Documentthechange
D.Schedulesystemdowntime
A.The
B.Whichof
C.Identifynecessaryoperatingsystemupdates
D.Implementthechange
E.Documentthechange
F.Schedulesystemdowntime