单项选择题
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
单项选择题 View the Exhibit and note the files available in the $ORACLE_HOME/dbs folder. The ASM instanceis already running. You used the following steps to start the database instance and open the database： Which file is used to start the instance in this case（）
多项选择题 After performing a clean shut down of the database instance for maintenance， you mount thedatabase and then execute a command to open the database： SQL> ALTER DATABASE OPEN； Which two statements are true（）
单项选择题 ForwhichdatabaseoperationwouldyouneedthedatabasetobeintheMOUNTstate（）