Oracle 1Z0-053 Online Practice Questions and Exam Preparation

Oracle 1Z0-053 Online Questions & Answers

• Question 211:

  Which dependent object will get invalidated even if it is not affected by the table redefinition?

  A. packages
  B. triggers
  C. synonyms
  D. views
  B. triggers

• Question 212:

  You execute the following Recovery Manager (RMAN) commands in the following order:

  BACKUP VALIDATE DATABASE; RECOVER CORRUPTION LIST;

  A. Repair the corrupted blocks. If any. In the backup created.
  B. Populate V$COPY_CORRUPTION with names of files that have corrupted blocks.
  C. Back up the database after checking whether array of the files have corrupted blocks.
  D. Discover any corrupt blocks that are viewable with the V$DATABASE_BLOCK_CORRUPTION view.
  E. Repair all corrupted blocks that have been logged in the V$DATABASE_BLOCK_CORRUPTION
  D. Discover any corrupt blocks that are viewable with the V$DATABASE_BLOCK_CORRUPTION view.
  E. Repair all corrupted blocks that have been logged in the V$DATABASE_BLOCK_CORRUPTION

• Question 213:

  Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode? (Choose all that apply.)

  A. Database datafiles
  B. Control files
  C. Archived redo logs
  D. Online redo logs
  E. Flashback logs
  A. Database datafiles
  B. Control files
  D. Online redo logs

• Question 214:

  Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database?

  A. Oracle will automatically take the datafile out of hot backup mode, generate a warning message, and then open the database.
  B. Oracle will automatically take the datafile out of hot backup mode and then open the database.
  C. Oracle will generate an error when trying to open the database, indicating that a datafile is in hot backup mode. You will need to correct this error before you can open the database.
  D. The database will open with the file in hot backup mode. You can restart the backup at any time.
  E. The datafile in hot backup mode will be corrupted and you will have to recover it.
  C. Oracle will generate an error when trying to open the database, indicating that a datafile is in hot backup mode. You will need to correct this error before you can open the database.

• Question 215:

  Case-insensitive sorts are always accent insensitive by default.

  A. True
  B. False
  B. False

• Question 216:

  While performing a regular check on your recovery catalog you realized that the catalog database is running out of space and you do not have options to increase the space. However, you have another database where more space is available and you want to move your existing recovery catalog to this database.

  The options that can be considered while moving the recovery catalog are as follows:

  1.

  Using one of the Oracle expdp utilities to export the catalog data

  2.

  Creating a recovery catalog user and granting the necessary privileges in the other database

  3.

  Creating the recovery catalog using the CREATE CATALOG command

  4.

  Using the corresponding impdp utility to import the catalog data into the other database

  5.

  Registering the target database in the new catalog database using the REGISTER DATABASE command.

  Identify the option with the correct sequence for moving the recovery catalog.

  A. 2, 3, 5
  B. 1, 2, 4
  C. 1, 2, 4, 5
  D. 1, 2, 3, 4, 5
  B. 1, 2, 4

• Question 217:

  You are managing an Oracle Database 11g instance. You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication? (Choose all that apply.)

  A. The source database backup must be copied over the net for test database.
  B. The source database must be run in ARCHIVELOG mode if the database is open.
  C. The source database must be shut down cleanly if the database is in mounted state.
  D. A net service name should be set up and a listener configured with the target as well as the source database.
  B. The source database must be run in ARCHIVELOG mode if the database is open.
  C. The source database must be shut down cleanly if the database is in mounted state.
  D. A net service name should be set up and a listener configured with the target as well as the source database.

• Question 218:

  You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy:

  CONFIGURE RETENTION POLICY TO REDUNDANCY 3;

  Which statement is true?

  A. The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabled
  B. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up
  C. Backup optimization is permanently disabled
  D. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
  B. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up

• Question 219:

  You set the following parameters in the parameter file and restarted the database:

  MEMORY_MAX_TARGET=0 MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90M SGA_TARGET=270M

  Which two statements are true regarding these parameters after the database instance is restarted? (Choose two.)

  A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.
  B. The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manually.
  C. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero.
  D. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.
  A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.
  D. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.

• Question 220:

  You decided to use Direct NFS configuration in a non-RAC Oracle installation and created the oranfstab file in / etc. Which two statements are true regarding this oranfstab file? (Choose two.)

  A. Its entries are specific to a single database.
  B. It contains file systems that have been mounted by Direct NFS.
  C. It is globally available to all Oracle 11g databases on the machine.
  D. It contains file systems that have been mounted by the kernel NFS system.
  C. It is globally available to all Oracle 11g databases on the machine.
  D. It contains file systems that have been mounted by the kernel NFS system.