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Which two statements are true about an image copy backup? (Choose two.)
A. It may only be taken to disk.
B. It will contain only the used blocks.
C. It will contain all used and unused blocks.
D. It can be performed on disk as well as on tape.

When the AS COPY option is used, RMAN generates image copies of the input files. An image
copy is a byte-for-byte identical copy of the original file. You can create image copy backups of
datafiles, datafile copies, and archived redo log files. Image copy files can only exist on disk.