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Home » Oracle » Oracle Architecture MCQ

Oracle Architecture MCQ

July 14, 2020 by techgoeasy Leave a Comment


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.

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

Question 1 of 40

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

Question 2 of 40

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

Question 3 of 40

4. which of the following views contains information about overall system statistics, both previously and currently connected

Question 4 of 40

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

Question 5 of 40

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

Question 6 of 40

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

Question 7 of 40

8. 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 8 of 40

9. 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 9 of 40

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

Question 10 of 40

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

Question 11 of 40

12. throughput is a measure of

Question 12 of 40

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

Question 13 of 40

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

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

Question 16 of 40

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

Question 17 of 40

18. 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 18 of 40

19. 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 19 of 40

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

Question 20 of 40

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

Question 21 of 40

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

Question 22 of 40

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

Question 23 of 40

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

Question 24 of 40

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

Question 25 of 40

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

Question 26 of 40

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

Question 27 of 40

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

Question 28 of 40

29. Which command will open a standby database in read-only mode?

Question 29 of 40

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

Question 30 of 40

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

Question 31 of 40

32. 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 32 of 40

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

Question 33 of 40

34. an oracle instance is made up of

Question 34 of 40

35. 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 35 of 40

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

Question 36 of 40

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

Question 37 of 40

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

Question 38 of 40

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

Question 39 of 40

40. 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 40 of 40

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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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