1Z0-053 争议题目解析685

1Z0-053 争议题目解析685

考试科目：1Z0-053
题库版本：V13.02

题库中原题为：

685.In your test database:
-You are using Recovery Manager (RMAN) to perform incremental backups of your test database
-The test database is running in NOARCHIVELOG mode
-One of the data files is corrupted
-All online redo log files are lost because of a media failure
Which option must you consider in this scenario?
A.Configuring the database in ARCHVIELOG mode and then using incremental backup to recover the
database
B.Using incremental backup to recover the damaged data file and then manually creating the online redo
log files
C.Creating a new test database because the database is not recoverable due to the fact that the database
is configured in NOARCHIVELOG mode
D.Using incremental backups to recover the database by using the RECOVER DATABASE NOREDO
command and then using the RESETLOGS option to open the database.
Answer:C

争议点：
网上有人说选择D，
比如：
LuiseDalian的解析：http://blog.itpub.net/17013648/viewspace-1346725/

Oracle的非归档模式也可以支持增量备份，如果某个数据文件损坏，即使所有的redolog也坏了，跟恢复没有任何关系，
因为非归档模式的恢复只能恢复到以前备份的那一点，是无法用到redolog的。

比如：
Riveore的解析：http://blog.csdn.net/rlhua/article/details/19833581

初步结论：
题库答案错误，应该选择D。