Companycomhasbeenperformingscheduledbackupsoftheirdatatotapeusing"tar"inascriptforoveroneyearwithnoproblems.Recently,thetarcommandisreturninganonzeroreturncodeduringthebackupphase,causingthescripttofail.Whatistheprimarycauseofthisproblem?()
A. Thefileshavegrowntoovereightgigabytesinsize
B. Thefilesystemsarecorrupt,andfsckshouldberun
C. Thetapeblocksizehasbeenchangedfromthedefault
D. Theuser’slimithasbeenchangedtolessthaneightgigabytes