题目内容

You want to use RMAN to create compressed backups. Which statement is true about the compression algorithms that RMAN can use？（）

A. The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.
B. The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.
C. The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.
D. Only the BZIP2 compression algorithm can be used to make compressed backups to disk.

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