（123）You used the IMMEDIATE option to shut down your database instance. Consider the steps that may occur when a database instance is started and database is opened:

1: SGA is allocated.

2: Control file is read.

3: Redo log files are opened.

4: Instance recovery is started.

5: Background processes are started.

6: Data file headers are checked for consistency.

7: Server parameter file or the initialization parameter file is read.

Which option has the correct order in which these steps occur?

A. 7, 1, 5, 2, 3, 6, 4

B. 1, 5, 7, 2, 3, 6; step 4 is not required

C. 7, 1, 5, 2, 3, 6; step 4 is not required

D. 1, 2, 3, 5, 6, 4; step 7 is not required

答案：（C）

解析：

因为是SHUTDOWN IMMEDIATE,即一致性关库,所以重新启动实例时不需要实例恢复

ITPub博客

Oracle 11G OCP 1Z0-052 123

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