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單項選擇題

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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單項選擇題

Which backup option defines a user-defined name for a backup? （）

A.FORMAT
B.NAME
C.TAG
D.FORMAT U%

單項選擇題

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