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oracle dba quiz

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I am presenting here the Oracle DBA quiz. I hope you like it

oracle dba quiz

This Oracle DBA online test check the understanding on various topics like RMAN, Oracle Structures,Backup & recovery , Oracle Memory structure, Background processes, Dictionary views , alert logs ,oracle tablespace ,indexes , profiles and many more

The below test is randomized Oracle DBA quiz and select 40 questions from the set of many questions,so each time you try to attempt it, you will get different questions in different order and option would also be in different order, So it will be fun practicing with this tool. You can try as many times as you want till you feel comfortable about it

Instructions for online test

1.This quiz consists of 40 questions .It is recommended to complete the test in 60 min
2. It consists both single choice and more than  one choice questions to test your knowledge
3. You can press the submit button at the end of your test and get the final score
4.You will also get the know the correct choice after you finished the test.

1. You attempt to issue the alter tablespace rename datafile command in the Oracle database. Which of the following choices indicates a step that must take place after this command is issued?

Question 1 of 40

2. You issue the following statement from SQL*Plus: startup mount. Where does Oracle obtain values for starting the instance?

Question 2 of 40

3. Which of the following clauses are available in alter user statements but not in create user statements?

Question 3 of 40

4. You issue the following statement in Oracle:
CREATE UNIQUE BITMAP INDEX empl_lastname_indx_01
ON employee (lastname ASC);
What is wrong with this statement for dictionary-managed tablespaces?

Question 4 of 40

5. Your Oracle EMP table contains many unique values in the FIRST_NAME column. You want to index that column to take advantage of this fact in query access. Which of the following indexes might you use?

Question 5 of 40

6. You are considering using the MTS architecture on the Oracle database. Session information when shared servers are being used is stored where in the Oracle database?

Question 6 of 40

7. You have assigned 10 tables to the keep pool. How should you determine the appropriate size for your keep pool?

Question 7 of 40

8. A DBA manages a database that is operating in NOARCHIVELOG mode. Which one of the following options should he include in his backup strategy?

Question 8 of 40

9. Which of the following choices lists an alter user option that can be executed by the user herself or himself?

Question 9 of 40

10. If you wished to make it so that every user in Oracle could have only one connection to the database at a time, which of the following choices identifies how you would do it?

Question 10 of 40

11. Which of the following clauses in a create user statement restricts the number of tables a user can add to a tablespace?

Question 11 of 40

12. You want to find out the names and locations of all control files in your database. Which two of the following performance views would you query?

Question 12 of 40

13. After creating a new user for your Oracle database, a user still complains he or she cannot log in because of insufficient privileges errors. Which of the following actions should you take?

Question 13 of 40

14. You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources?

Question 14 of 40

15. Session information when dedicated servers are being used is stored where in the Oracle database?

Question 15 of 40

16. Which one of the following statements is true while taking tablespace backups using RMAN?

Question 16 of 40

17. You want to perform some maintenance and You issue the shutdown command at 9 p.m. on a Saturday. One hours later, the database is still in the process of shutting down. Which of the following options did you most likely use in order to shut down the database?

Question 17 of 40

18. We are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?

Question 18 of 40

19. You are processing an update statement. At what point in SQL statement processing is the data change actually made to block buffers?

Question 19 of 40

20. Which one of the following RMAN views must you query to view the code of an existing stored script in the recovery catalog?

Question 20 of 40

21. You are performing the steps that will create your Oracle data dictionary. The objects in the Oracle data dictionary are part of which of the following schemas?

Question 21 of 40

22. You need to identify the remaining free space in a tablespace. From which of the following views would you get this information most easily?

Question 22 of 40

23. The best choice for decreasing size requirements for tables that need only be accessed via the primary key in oracle is which of the following?

Question 23 of 40

24. The DBA issues the following statement:
CREATE USER APPLDBA
IDENTIFIED BY APPLDBA;
What profile will user APPLDBA have?

Question 24 of 40

25. The location of indexes in a database and the size of those indexes is information that can be found in which of the following dictionary views?

Question 25 of 40

26. Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener?

Question 26 of 40

27. Which of the following is the init.ora parameter that indicates the size of each buffer in the buffer cache?

Question 27 of 40

28. You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?

Question 28 of 40

29. Which one of the following statements is incorrect with respect to RMAN's CROSSCHECK command?

Question 29 of 40

30. Which one of the following RMAN commands is equivalent to the SQL statement ALTER DATABASE RENAME FILE ?

Question 30 of 40

31. When choosing a character set and national character set, which of the following factors should not enter into consideration?

Question 31 of 40

32. Which two of the following items are required for killing a user session?

Question 32 of 40

33. Which of the following choices identifies a constraint on performing alter tablespace resize operation if the intended size of the tablespace is larger than the tablespace’ s current size?

Question 33 of 40

34. You issue the alter tablespace read only command against an Oracle database. Which of the following choices best describes what happens next?

Question 34 of 40

35. You are attempting to clear an unarchived redo log file. In order to manually enact a log switch, which of the following statements is appropriate?

Question 35 of 40

36. You are running Oracle in America in support of a financial analysis project for the government of Egypt. In order to produce reports that display money amounts as Egyptian pounds, rather than dollars, which of the following initialization parameters would be useful?

Question 36 of 40

37. You are implementing control file multiplexing. Which of the following choices identifies how Oracle knows the locations of the control files it is supposed to maintain?

Question 37 of 40

38. You need to remove a column from the database. Which of the following choices best identifies how to do so if your objective is to quickly execute the task without necessarily freeing up space in your tablespace?

Question 38 of 40

39. A disk crashes that contains the only copies of all four of your online redo log files. How would you alter your Oracle database to prevent this from causing much damage in the future?

Question 39 of 40

40. You are trying to find the ALERT file on a host machine for a database (11g and below) you have never administered before. Which of the following initialization parameters is used to identify the location of the ALERT file?

Question 40 of 40


 

I hope you like this Oracle DBA online quiz and it helps in your examination preparation. Best of Luck for the Oracle certification Examination. Please do provide feedback on it. We will also be adding more quizzes and questions in future.

Happy Learning!!!!

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