Oracle Backup And Recovery: Intermediate-Level Quiz

Oracle Backup And Recovery Quiz

The goal of this quiz is to evaluate your understanding of essential tools and processes that ensure the availability, integrity, and security of Oracle databases in various scenarios, such as data loss, corruption, or hardware failure. Let's Begin!

1 / 20

What does the ARCHIVELOG mode enable in an Oracle database?

To limit the number of redo logs

To create redo log files for backup

To enable database users to take snapshots

To disable automatic backups

2 / 20

What background process will write undo data?

REVERSE

UNDO

DBWR

DBUN

3 / 20

In a(n) ______ backup of the database, only the last modifications to the database are copied.

Differential

Incomplete

Full

Transaction Log

4 / 20

Which of the following is not a method of backing up Oracle database?

Logical Backups

Cold Backups

Hot Backups

Warm Backups

5 / 20

__________ involves reading a set of database records and writing them into a file. Export utility is used for taking backup and Import utility is used to recover from backup.

Cold Backups

Logical backup

Hot Backups

None of the above

6 / 20

What is the use of CONSISTENT option in EXP command?

A flag to indicate whether statistical information about the exported objects should be written to export dump file

Name of the parameter file to be passed for export

A flag to indicate whether a read consistent version of all the exported objects should be maintained

For Incremental exports, the flag indirect whether a record will be stores data dictionary tables recording the export

7 / 20

In Oracle, which of the following files are used during a database recovery?

Datafiles and password files

Redo log files and control files

Archived redo log files and datafiles

Tempfiles and data dictionary

8 / 20

What is the use of the ROLLBACK command in oracle?

It is used for dividing or breaking a transaction into multiple units so that the user has a chance of rolling back a transaction up to a point or location.

It is used in controlling the boundaries of a transaction.

It is used to undo the transactions that have not already been saved permanently to the database and get back to the initial state from where the transaction was started.

It is used for inserting / updating / deleting data to/from a table then we are performing a transaction on a table.

9 / 20

What type of RMAN backup skips data blocks that have not changed since the last backup?

Cumulative backup

Differential backup

Incremental backup

Full backup

10 / 20

What does the RMAN command CONFIGURE CONTROLFILE AUTOBACKUP ON do?

Automatically backs up the control file whenever a backup is performed

Backs up all control files immediately

Enables a control file restoration process

Creates a new control file backup

11 / 20

What is the purpose of the RECOVER command in RMAN?

To recover lost data files

To apply archived redo logs and roll forward the database to a specific point in time

To create an RMAN backup

To back up control files

12 / 20

What is the main advantage of using RMAN over traditional backup methods?

RMAN requires no disk space

RMAN is not recommended for large databases

RMAN provides incremental backups

RMAN backs up all data files, including those that are not changed

13 / 20

Which of the following commands is used to delete RMAN backups that are no longer needed?

BACKUP REMOVE

DELETE OBSOLETE

REMOVE BACKUP

PURGE OBSOLETE

14 / 20

A level 0 is called an incremental backup. True or False?

True

False

15 / 20

Which RMAN feature is used for transporting tablespaces between databases?

Transportable tablespaces

Duplicate tablespace

Tablespace recovery

Backup tablespace

16 / 20

Can you take an online backup of a control file?

es, by using the following statement: Alter database backup controlfile to '' or trace

No, you can't

No idea

Probably

17 / 20

What is the use of the FILE option in the EXP command?

To indicate whether export should compress fragmented segments into single extents

To indicate whether indexes on tables will be exported

To indicate whether table rows should be exported

To give the export file name

18 / 20

What is the main purpose of the Oracle Recovery Manager (RMAN)?

To increase the transaction speed

To optimize database performance

To automatically repair corrupted database blocks

To manage backups, restore operations, and recover Oracle databases

19 / 20

Which RMAN feature allows the recovery of a database to a previous state without using the complete backup?

Flashback technology

Incremental backup recovery

Archived redo log recovery

Full backup recovery

20 / 20

What Oracle backup and recover file contains user and system data?

Offline ReDo file

Control file

OnLine ReDo file

Datafile

Your score is

The average score is 0%

The Oracle backup and recovery quiz explores strategies and techniques for safeguarding and restoring Oracle databases.

It also covers troubleshooting recovery scenarios, ensuring data integrity, and disaster recovery planning.

The quiz is ideal for intermediate-level professionals familiar with Oracle database management who want to advance their skills in securing data against failures.

All the best!