单项选择题
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
Whichbackupoptiondefinesauser-definednameforabackup?（）A...
单项选择题Which backup option defines a user-defined name for a backup? （）
A.FORMAT B.NAME C.TAG D.FORMAT U%
Whichtypeofbackupbacksuponlydatablocksmodifiedsincethem...
单项选择题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）
A.Differential incremental backup B.Different incremental backup C.Cumulative backup D.Cumulative incremental backup
Whichofthefollowingbestdescribesafullbackup?（）A.All dat...
单项选择题Which of the following best describes a full backup? （）
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
