单项选择题
Which of the following most closely represents an image copy? （）
A.Unix cp command of a file
B.Bit-by-bit copy of a file
C.Windows COPY command of a file
D.All of the above
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相关考题
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单项选择题
Whichbackupoptiondefinesauser-definednameforabackup?（）
A.FORMAT
B.NAME
C.TAG
D.FORMAT U% -
单项选择题
Whichtypeofbackupbacksuponlydatablocksmodifiedsincethemostrecentbackupatthesamelevelorlower?（）
A.Differential incremental backup
B.Different incremental backup
C.Cumulative backup
D.Cumulative incremental backup -
单项选择题
Whichofthefollowingbestdescribesafullbackup?（）
A.All datafiles of a database
B.All datafiles, archive logs, and control files
C.All datafiles and control files
D.All the used blocks in a datafile
