多项选择题 You executed the following commands to find the location of the alert log file： Where is the alert log file stored（）

单项选择题 You used the IMMEDIATE option to shut down your database instance. Consider the steps that  mayoccur 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（）

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（）