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Oracle Database Administration II Sample Questions (Q256-Q261):

NEW QUESTION # 256
.Examine the RMAN command: RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which prerequisite must be met before accomplishing the backup?

  • A. Oracle wallet for the encryption must be set up.
  • B. All the tablespaces in the database must be encrypted
  • C. The password for the encryption must be set up.
  • D. Oracle Database Vault must be enabled.

Answer: A


NEW QUESTION # 257
Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)

  • A. The response file must contain the root or sudo password.
  • B. The installer will prompt for the root or sudo password.
  • C. The response file can specify the root or sudo password.
  • D. The response file can specify the path of the sudo program.
  • E. Silent install always runs operating scripts automatically.

Answer: A,D


NEW QUESTION # 258
Which two are true about the character sets used in an Oracle database? (Choose two.)

  • A. Single-byte character sets always use 8-bit encoding schemes.
  • B. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
  • C. Unicode enables information from any language to be stored using a single character set.
  • D. Multibyte character sets allow more efficient space utilization than single byte character sets.
  • E. Single-byte character sets provide better performance than multibyte character sets.
  • F. Single-byte character sets always use 7-bit encoding schemes.

Answer: C,E

Explanation:
Reference:
https://docs.oracle.com/database/121/NLSPG/ch2charset.htm#NLSPG166


NEW QUESTION # 259
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)?

  • A. Backing up a database in archivelog mode using O/S utilities requires that the database instance be started and the database be in mount state.
  • B. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be shut down.
  • C. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as image copies.
  • D. An Oracle database can be restored from backup files copied using O/S utilities.
  • E. Backing up a database in archivelog mode using O/S utilities requires that the database instance be started and the database be in open state.
  • F. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
  • G. Backing up a database in noarchivelog mode using O/S utilities requires that the database instance be started and the database be in mount state.

Answer: C,D,F


NEW QUESTION # 260
The USERS tablespace consists of data files 3 and 4 and must always be online in read/write mode.
Which two are true about using RMAN to perform an open database back up of this tablespace? (Choose two.)

  • A. Only consistent backups can be created.
  • B. Backups can be done incrementally.
  • C. Backups must be contained in backup sets.
  • D. The database must be registered in an RMAN catalog.
  • E. Backups must be done incrementally.
  • F. Backups can be taken only if the database is in ARCHIVELOG mode.

Answer: D,F


NEW QUESTION # 261
......

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