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Oracle Architecture MCQ

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Oracle Architecture MCQ

This Oracle Architecture MCQ test check the understanding on various topics like Recovery Manager (RMAN), Oracle Architecture concept like shared pool ,PGA, Library cache size,Backup & recovery , Oracle Memory structure, Background processes, Dictionary views , alert logs ,oracle tablespace ,indexes , profiles and many more

The below test is randomized Oracle Architecture MCQ 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. an oracle instance is made up of

Question 1 of 40

2. An oracle database is made up of

Question 2 of 40

3. which of the following is the first step in oracle’s recommended tuning

Question 3 of 40

4. When can you perform a database backup using RMAN if the database is in ARCHIVLOG mode?

Question 4 of 40

5. Which one of the following views must you query from the recovery catalog database to obtain information about the backup sets that were created using RMAN?

Question 5 of 40

6. Which one of the following statements is true about the LogMiner utility?

Question 6 of 40

7. increasing the size of the system global area in order to improve performance is an example of which step in the oracle tuning methodology

Question 7 of 40

8. Which one of the following Oracle components or products must be installed and configured to enable the secure communications between the client and the server over the network?

Question 8 of 40

9. Prior to performing an incomplete database recovery, what is the most important task that you are supposed to perform as a DBA?

Question 9 of 40

10. Which Oracle process is responsible for archiving the online redo log files when the automatic archiving feature is enabled in ARCHIVELOG mode?

Question 10 of 40

11. which dba view would show storage, row, and block information for an table

Question 11 of 40

12. What is the most important action a DBA must perform after changing the database from NOARCHIVELOG TO ARCHIVELOG?

Question 12 of 40

13. What is the default value for the initialization parameter CONTROL_FILE_RECORD_KEEP_TIME?

Question 13 of 40

14. Which one of the following files contains records that are rejected by SQL*Loader due to invalid input format?

Question 14 of 40

15. Which one of the following options would you use with RMAN to back up archive log files along with other files?

Question 15 of 40

16. which of the following components of the SGA records changes made to the database for recovery purpose

Question 16 of 40

17. Among the listed recovery method types, which recovery requires the DBA to explicitly issue a recovery command?

Question 17 of 40

18. which of the following factors would not make a column a good candidate for b-tree index

Question 18 of 40

19. Which three statements about fine-grained access control are true?

Question 19 of 40

20. Which one of the following views would you query to obtain information about data files that need recovery?

Question 20 of 40

21. Due to a media failure the user10.dbf data file was lost. Which one of the following commands must DBA use at the RMAN prompt, to copy the data files from the backup location to their default location before performing recovery operations?

Question 21 of 40

22. which lock type is taken out when creating, dropping or altering a table

Question 22 of 40

23. What is the result of issuing the following command? SQL> ALTER SYSTEM SET SHARED_SERVERS=0;

Question 23 of 40

24. which of the following background processes detects failed user process and roll backs

Question 24 of 40

25. Which one of the following commands can you use to display whether or not the automatic archiving feature is enabled?

Question 25 of 40

26. To enable a database to have more than one service associated with it, the connect descriptor SID parameter in the tnsnames.ora file has been replaced by which two parameters?(Choose two)

Question 26 of 40

27. Which one of the following statements about the tnsping utility is correct?

Question 27 of 40

28. Which one of the following statements enables the control file AUTOBACKUP feature?

Question 28 of 40

29. Which one of the following options of the export utility enables data to be directly transferred to the client without the intermediate evaluation buffer?

Question 29 of 40

30. which of the following lock type is the most restrictive

Question 30 of 40

31. What can you see when querying V$LOGMNR_CONTENTS?

Question 31 of 40

32. While performing an online backup, the database crashed due to a media failure. DBA kept several tablespaces in backup mode, and each tablespace had several data files. Which one of the following statements is most appropriate to use for taking the tablespaces out of backup mode?

Question 32 of 40

33. Which one of the following configuration files can be used to implement the host naming method?

Question 33 of 40

34. which of the following oracle background process writes blocks from the database buffer caches to the datafile

Question 34 of 40

35. The buffers in the database buffer cache that are currently being accessed by a server process are referred to as?

Question 35 of 40

36. Which one of the following commands must be issued to remove a stored script from the recovery catalog?

Question 36 of 40

37. if the init.ora optimizer mode is set to choose, but no statistics have been generated for the application’s tables and indexes, which optimizer mode will oracle user

Question 37 of 40

38. which of the following types of indexes stores the indexed columns values associated rowid as binary string

Question 38 of 40

39. index organized tables store row data that exceeds the index’s pct threshold in what type of segment

Question 39 of 40

40. Which one of the following parameters when specified determines the maximum number of the files that can be stored in each backup set?

Question 40 of 40


 

I hope you like this Oracle Architecture MCQ 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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