Oracle 1Z0-025

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Oracle 1Z0-025 Exam Syllabus Topics:

Oracle Backup and Recovery Sample Questions:

1. Which RECOVER command is appropriate when, while recovering a lost data file, a DBA discovers that a required, archived redo-log is corrupted?

A) ALTER TABLESPACE system RECOVER;
B) RECOVER DATABASE UNTIL CANCEL;
C) RECOVER TABLESPACE system UNTIL CANCEL;
D) RECOVER DATABASE USING BACKUP CONTROLFILE;
E) RECOVER DATABASE UNTIL MISSING REDOLOG;

2. You are configuring a database for ARCHIVELOG mode. Which two initialization parameters should you use? (Choose two)

A) LOG_ARCHIVE_SIZE
B) LOG_ARCHIVE_FORMAT
C) LOG_ARCHIVE_INTERVAL
D) LOG_ARCHIVE_DEST
E) ARCHIVELOG_MODE

3. Consider the following scenario using incremental backups. A level 1 backup is taken on the first of the month. A level 2 backup is taken in every Sunday, and a level 3 backup is taken daily. If the database gets corrupted on the second Wednesday of the month and is lost, which scenario would restore the database completely?

A) A base level backup (level 0) is missing and nothing can be recovered.
B) The monthly backup (level 1), the weekly backup (level 2) and the daily backup (level5)
C) The monthly backup (level 1) and the daily backup (level 3).
D) The weekly backup (level 2) and the daily backup (level 3).

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

5. In orderto keep a standby database up-to-date, archived redo-log files need to be transferred from the primary to the standby server. What are two ways to do this? (Choose two)

A) Issue the command RECOVER MANAGED STANDBY DATABASE on the standby database.
B) Specify LOG_ARCHIVE_DEST_n on the standby database.
C) Specify the service name in LOG_ARCHIVE_DEST_n of the primary database.
D) Set the STANDBY_ARCHIVE_DEST parameter on the standby database.
E) Use operating system commands to transfer the files.

Solutions: