1Z0-053 争议题目解析698

考试科目：1Z0-053
题库版本：V13.02

题库中原题为：

698.In your production database, you:
-Are using Recovery Manager (RMAN) with a recovery catalog to perform the backup operation at regular
intervals
-Set the control file autobackup to “on”
-Are maintaining image copies of the database files
You have lost the server parameter file (SPFILE) and the control file. Which option must you consider
before restoring the SPFILE and the control file by using the control file autobackup?
A.Setting DBID for the database
B.Using the RMAN SWITCH command
C.Using the RMAN SRT NEWNAME command
D.Starting up the database instance in the NOMOUNT state
Answer:D

争议点：
网上有人说选择A，比如“标记为正确答案，不看answer版”题库。
比如：
LuiseDalian的解析：http://blog.itpub.net/17013648/viewspace-1348139/

在恢复spfile和控制文件之前，都要先设置一下DBID，然后再恢复。

也有人选择D：
比如Riveore的解析：http://blog.csdn.net/rlhua/article/details/19838089

初步结论：
保留争议，暂时选择A。