517.Which of the following are true concerning block media recovery? (Choose all that apply.)
A. Any gap in archive logs ends the recovery.
B. If a gap in archive logs is encountered, RMAN will search forward for newer versions of the blocks that are not corrupt.
C. Uncorrupted blocks from the flashback logs may be used to speed recovery.
D. The database can be in NOARCHIVELOG mode.
E. None of the above.
Answer: BC
参考:
http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmblock.htm#BRADV89784
关于块介质恢复,哪些是正确的?
A、归档日志中的任何缺失都将终止恢复。错误。
B、如果遇到归档日志的间隙,RMAN会搜索接下来的没有损坏块的新版本。正确。
C、来自闪回日志的未损坏块可用来快速恢复。正确。
D、数据库能运行在NOARCHIVELOG模式。错误。
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