执行RMAN copy以下哪些因素需要考虑？（）

A.需要通过rman来恢复临时表空间

B.数据库HANG死，无法执行所有的sql

C.临时表空间损坏后数据库直接宕机

D.可以通过创建新的临时表空间，然后删除损坏的表空间来修复

A.脱机数据文件

B. 联机数据文件

C. 数据文件copy副本

D. RMAN备份集

E. 联机重做日志文件

F. 归档日志

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

A. BACKUP TABLESPACE SYSTEM SECTION SIZE 100M;

B. BACKUP AS COPY TABLESPACE SYSTEM SECTION SIZE 100M;

C. BACKUP ARCHIVELOG ALL SECTION SIZE 25M;

D. BACKUP TABLESPACE "TEMP" SECTION SIZE 10M;

E. BACKUP TABLESPACE "UNDO" INCLUDE CURRENT CONTROLFILE SECTION SIZE 100M;

F. BACKUP SPFILE SECTION SIZE 1M;

G. BACKUP INCREMENTAL LEVEL 0 TABLESPACE SYSAUX SECTION SIZE 100M;

A. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the image copy

B. The ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file is recovered from the last incremental backup

C. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are updated with all changes up to incremental backup SCN. ‘/ u01/app/oracle/oradata/orcl/users01.dbf

D. Image copies of the ‘/u01/app/oracle/oradata/orcl/users01.dbf‘ data file are recovered using the above command if data file recovery fails

A.该命令将失败，因为你不能当备份配置冗余为基础的保留策略 已启用优化

B.备份优化执行成功，但RMAN考虑冗余保留策略时，RMAN决定哪个数据文件应备份

C.备份优化被禁用

D.备份优化暂时禁用，因为指定的冗余基于保留策略

A.该命令将失败，因为你不能当备份配置冗余为基础的保留策略已启用优化

B.备份优化暂时禁用，因为指定的冗余基于保留策略

C.备份优化执行成功，但RMAN考虑冗余保留策略时，RMAN决定哪个数据文件应备份

D.备份优化被禁用

A.Array

B.Copy

C.Erase

D.Mirror

E.Rotate