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Oracle 1z0-052 Exam Actual Questions

The questions for 1z0-052 were last updated on April 29, 2024.
  • Viewing page 1 out of 57 pages.
  • Viewing questions 1-5 out of 284 questions
 

Topic 1 - Volume A

Question #1 Topic 1

You notice that the performance of the database has degraded because of frequent checkpoints.
Which two actions resolve the issue? (Choose two.)

  • A. Disable automatic checkpoint tuning
  • B. Check the size of the redo log file size and increase the size if it is small
  • C. Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor
  • D. Decrease the number of redo log members if there are more than one redo log members available in each redo log group
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Correct Answer: BC 🗳️

Question #2 Topic 1

Identify the memory component from which memory may be allocated for:
Session memory for the shared serverBuffers for I/O slavesOracle Database Recovery Manager (RMAN) backup and restore operations

  • A. Large Pool
  • B. Redo Log Buffer
  • C. Database Buffer Cache
  • D. Program Global Area (PGA)
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Correct Answer: A 🗳️

Question #3 Topic 1

You executed the following command to create a tablespace called SALES_DATA:

Which two statements are true about the SALES_DATA tablespace? (Choose two)

  • A. The database automatically determines the extent-sizing policy for the tablespace.
  • B. The segments are automatically shrunk when the contents are removed from them.
  • C. The allocation of extents within the tablespace is managed through the dictionary tables.
  • D. The space utilization description of the data blocks in segments is recorded in bitmap blocks.
  • E. The space utilization description of the data blocks in segments is managed through free lists.
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Correct Answer: AD 🗳️

Question #4 Topic 1

In which of the scenario will the DBA perform recovery? (Choose all that apply.)

  • A. The alert log file is corrupted.
  • B. A tablespace is accidentally dropped.
  • C. One of the redo log members is corrupted.
  • D. A database user terminates the session abnormally.
  • E. The hard disk on which the data files is stored is corrupted.
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Correct Answer: BE 🗳️

Question #5 Topic 1

You want to enable archiving on your database. Presently, the database is running in NOARCHIVELOG mode.
Given below are the steps to accomplish the task in random order:
1. Shut down the instance.
2. Execute the ALTER DATABASE ARCHIVELOG command.
3. Start up the instance and mount the database.
4. Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1.
5. Open the database.
Which is the correct sequence of steps for accomplishing the task?

  • A. 4, 1, 3, 2, 5
  • B. 1, 3, 4, 5, 2
  • C. 1, 3, 2, 5; 4 not required
  • D. 4, 1, 5, 2; 3 not required
  • E. 1, 3, 4, 5; 2 not required
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Correct Answer: C 🗳️

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