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

Question 1 of 40

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

Question 2 of 40

3. 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to have more than one service associated with it, the connect descriptor SID parameter in the tnsnames.ora file has been replaced by which two parameters?(Choose two)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 3 of 40

4. 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 4 of 40

5. Which type of LOBs cannot be declared as temporary?

Question 5 of 40

6. 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 6 of 40

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

Question 7 of 40

8. An oracle database is made up of

Question 8 of 40

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

Question 9 of 40

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10. What must you do after the completion of copying the data files while performing online database backup?

Question 10 of 40

11. Which Oracle background process frees SGA resources that were allocated to a user process that failed?

Question 11 of 40

12. In which one of the following loading methods does SQL*Loader compete with the other processes to acquire buffer resources?

Question 12 of 40

13. Which two statements are true when corrupted blocks are skipped?

Question 13 of 40

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

Question 14 of 40

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

Question 15 of 40

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

Question 16 of 40

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

Question 17 of 40

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

Question 18 of 40

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

Question 19 of 40

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

Question 20 of 40

21. Assume that you need to restore and recover a database that's operating in ARCHIVELOG mode. The archive log files available for recovery start from log sequence 21156 to 21190. If the archived log files with sequence number 21187, 21184, and 21180 are corrupted, then until which log sequence can you recover the database?

Question 21 of 40

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22. which of the following components of SGA caches recently accessed data , index and rollback block

Question 22 of 40

23. Due to a media failure, all the members that are part of an online redo log group are lost. Under what conditions can you still recover the database without data loss?

Question 23 of 40

24. the alert log contains information on all but which of the following

Question 24 of 40

25. What is the significance of using the command SET NEWNAME in the script shown in the following code?
Run
{
allocate channel c1 type disk;
set newname for datafile 1 to '+DATA';
restore datafile 1;
switch datafile 1;
recover datafile 1;
sql 'Alter database open';
}

Question 25 of 40

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

Question 26 of 40

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

Question 27 of 40

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

Question 28 of 40

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

Question 29 of 40

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

Question 30 of 40

31. response time is a measure of

Question 31 of 40

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

Question 32 of 40

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

Question 33 of 40

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

Question 34 of 40

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

Question 35 of 40

36. an oracle instance is made up of

Question 36 of 40

37. 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 37 of 40

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

Question 38 of 40

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

Question 39 of 40

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

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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