ocp-76

QUESTION NO: 76
Which of the following statements is true when the database is in ARCHIVELOG mode and tablespaces
are in hot backup mode?
A. Archive log generation is suspended until the tablespaces are taken out of hot backup mode.
B. Datafiles are not written to during hot backups.
C. Changes to the database are cached during the backup and not written to the datafiles to ensure that
the datafiles are consistent when recovered.
D. The datafile headers are not updated during the backup.
E. The way data is written to the online redo logs is unchanged during the backup.
Answer: D

下面哪个描述是真实的，当数据库处于归档记录模式且表空间处于热备份模式？
D.在备份过程中不会更新数据文件头。

When a tablespace is in hot backup mode, the related datafile headers are not updated. The headers will
be updated after the tablespaces are taken out of hot backup mode.
当一个表空间处于热备份模式，相关的数据文件头不被更
新。表空间从热备份模式中取出后头将更新。