155. Which two statements regarding compressed backups in Recovery Ma
nager (RMAN) are true? (Choose two.)
A. Backup compression is disabled by default.
B. Backup compression can be used with both backup sets and image cop
ies.
C. Backup compression cannot be enabled using the CONFIGURE command.
D. Backup compression works only if the COMPATIBILITY parameter is se
t to 9.0.0.0 or higher.
E. Backup compression applies to only backup sets.
F. Backup compression applies to only image copies.
Answer: A,E
rman 备份压缩只能针对备份集使用,同时默认也是disable(不可执行)的
(主要是看题目要仔细,判断是非一刹那,A 容易漏掉)
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