fields
问题In the fields of physical security and information security,access control is the selectiv
Inthefieldsofphysicalsecurityandinformationsecurity,accesscontrolistheselectiverestricti
问题Traditional（）are organized by fields, record, and files. A.documents B.data tables C.dat
Traditional（）areorganizedbyfields,record,andfiles.A.documentsB.datatablesC.datasetsD.dat