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Types of Backups in Oracle - Quiz

Each question is worth one point. Select the best answer or answers for each question.
1. Which special backup-mode action must you take before an online RMAN backup of an open database in ARCHIVELOG mode?
Please select the best answer.
  A. Issue ALTER TABLESPACE tablespace_name BEGIN BACKUP.
  B. Issue ALTER DATABASE BEGIN BACKUP.
  C. No backup-mode action is required; issue the appropriate RMAN backup command.
  D. Shut down the database before starting RMAN.

2. Which statements accurately describe the contents of RMAN backup sets?
Please select all the correct answers.
  A. A data-file backup set can contain one or more data files.
  B. An archived-log backup set can contain archived redo log files.
  C. Data files and archived redo logs can be combined in the same backup set.
  D. A backup set can be created and restored without RMAN by using an operating-system copy command.

3. Which statement correctly distinguishes a level 0 incremental backup from a full backup?
Please select the best answer.
  A. A full backup can serve as the parent for later level 1 incremental backups, but a level 0 cannot.
  B. Both back up the same data-file blocks, but only a level 0 establishes a base for later level 1 backups.
  C. A level 0 backs up only blocks changed since the most recent full backup.
  D. A level 0 can only be written as an image copy and never as a backup set.

4. Which output format does RMAN create by default when the configuration and command do not specify another format?
Please select the best answer.
  A. Backup sets
  B. Image copies
  C. Data Pump dump files
  D. Operating-system snapshots

5. Which statement accurately describes an RMAN image copy?
Please select the best answer.
  A. It combines blocks from several source files into one RMAN backup piece.
  B. It is an exact disk copy of one data file, control file, or archived redo log file.
  C. It can only be written through an SBT media-management channel.
  D. It is always smaller than the corresponding source file because it uses binary compression.