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Oracle database 10g:Administration I Sample Questions:

1. Which two database operations can be performed at the MOUNT stage of database startup? (Choose two.)

A) renaming of data files
B) dropping the database user
C) multiplexing of control files
D) configuring the database in ARCHIVELOG mode
E) renaming of control files

2. Your database is started by using the server parameter file (SPFILE). You issued this command to change the value of the LOG_BUFFER initialization parameter:
ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH;
What would be the outcome of this command?

A) The command would return an error because LOG_BUFFER is a static parameter.
B) The parameter value would be changed and it would come into effect immediately.
C) The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
D) You need to restart the database so that parameter changes can come into effect.

3. You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks:
1.Shut down the database instance.
2.Copy the control file to new location.
3.Configure the CONTROL_FILES parameter.
4.Restart the instance.
Select the correct order in which these tasks need to be performed.

A) 1,2,3,4
B) 3,2,1,4
C) 3,1,2,4
D) 2,3,1,4

4. While setting up an Oracle database for one of your critical applications, you want to ensure that the database is backed up at regular intervals without your intervention. What should you do to achieve the objective?

A) configure the database to run in ARCHIVELOG mode
B) schedule the database backup using Database Configuration Assistant (DBCA) while creating the database
C) configure the Flash Recovery Area to enable automatic database backup
D) schedule the database backup using DBMS_JOB package after creating the database
E) schedule the database backup using Recovery Manager (RMAN) commands after creating the database

5. Which two statements about Flashback Query are true? (Choose two.)

A) It is generated by using the redo log files.
B) The database has to be opened with the resetlogs option after performing Flashback Query.
C) It fails when undo data pertaining to the transaction is overwritten.
D) It can be performed to recover ALTER TABLE statements
E) It helps in row-level recovery from user errors.

Solutions: