Oracle Backup and Recovery - 1Z0-025 certification

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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

1. When using the DBVERIFY tool to detect corruption in an Oracle data block, which statement is true?

A) The utility cannot verify data files for a database with any DB_BLOCK_SIZE less than or equal to 4K bytes.
B) The utility cannot verify data files for a database with any DB_BLOCK_SIZE less than or equal to 8K bytes.
C) The utility can verify data files for a database with any DB_BLOCK_SIZE
D) The utility cannot verify data files for a database with any DB_BLOCK_SIZE greater than 2K bytes.

2. What are benefits of putting the database in ARCHIVELOG mode? (Choose two)

A) It guarantees recovery to the time of failure.
B) The database can be backed up while online.
C) Backups are done automatically.
D) Checksums are performing on all archived files.
E) All pending transactions are committed.

3. Before executing a script, you decide to switch the current log file. You are already
logged in to recovery manager and want to execute this command from the recovery
manager prompt?
Which command should you use?

A) Rman> execute (sql 'alter system switch logfile'.)
B) Rman> start ('alter system switch logfile'.)
C) Rman> run (sql 'alter system switch logfile'.)
D) Rman> run ('alter system switch logfile'.)

4. Which import option do you use to create tables without data?

A) CONSISTENT
B) INDEXES
C) CREATE
D) ROWS

5. If a DBA restores a read-only tablespace from a backup taken before the tablespace was made read-only, what must the DBA do next?

A) Complete media recovery.
B) After the tablespace to become read-only.
C) Make the tablespace locally-managed.
D) Recreate the control file.

Solutions: