Oracle 1Z0-042 Exam Questions : Oracle database 10g:Administration I

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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?

A) renaming the control files
B) enabling or disabling redo log archiving
C) re-creating the control files, after you lost all the control files in your database
D) dropping a user in your database
E) dropping a tablespace in your database

2. Your database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups? (Choose three.)

A) The backups would be possible only if the database is running in NOARCHIVELOG mode.
B) The backups need not be restored during recovery in case of a media failure.
C) The backups would be inconsistent.
D) The backups need to be restored and database has to be recovered in case of a media failure.
E) The backups would be consistent.
F) The backups would be possible only if the database is running in ARCHIVELOG mode.

3. You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays. Which two statements are true about the differential incremental backups? (Choose two.)

A) The backup performed on Sundays contains all the blocks that have ever been use in the database.
B) The backup performed on each working day contains all the blocks that have changed since the last level 0 backup.
C) The backup performed on each working day contains all the blocks that have changed since the last level 0 or level 1 backup.
D) The backup performed on Sundays contains all the blocks that have changed since the last level 1 backup.

4. Which three statements are correct about temporary tables? (Choose three.)

A) Both the data and the structure of temporary tables can be exported.
B) Indexes and views can be created on temporary tables.
C) Temporary tables are always created in a user's temporary tablespace.
D) Data manipulation language (DML) locks are never acquired on the data of temporary tables.
E) The data inserted into a temporary table in a session is available to other sessions.

5. Which two are valid locking levels that are used by transactions in an Oracle database? (Choose two.)

A) object level
B) row level
C) block level
D) database level
E) schema level

Solutions: