Oracle 11G OCP 1Z0-053 53

（53）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.

答案：（A）

解析：

ZLIB壓縮演算法是Oracle 11g新引入的壓縮演算法

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