Test your basic knowledge |

Oracle Database 11 G Administration

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A Dedicated _____ _____ is typically started whenever a user connects to the database.






2. The most important database configuration file - which contains the settings used during database startup: _______ - * comes in 2 forms; text and binary - * pfile is aka init.ora






3. Commonly used block size of data blocks






4. The _____ property ensures that results produces by concurrently executing transactions are serialized.






5. The Many-To-One configuration of Instances per Database is called...* whereby the db lives on shared disks and instances on multiple computers attached to the DB






6. What is the private work area in computer memory which each Oracle server process uses to hold intermediate results (temp files) called?






7. Which Oracle Architecture combines RAC and Standby technology?






8. 2 tablespaces which are always created by and whose names are mandated by Oracle






9. A large component of the SGA - which is best-known for use in caching query execution plans is called _________






10. Transactions are Atomic or invisible from a logical perspective until the end of the transaction is indicated by an explicit instruction such as _______






11. This process is responsible for any cleanup activities necessary if the database is restarted after an abnormal shutdown resulting from system failure.






12. Which Oracle Architecture has two or more ODB Instances sharing access to the same set of disks and coordinating with each other over a fast network?






13. In UNIX - to use the dbca and netca executables in /bin/ - you have to point the _____ variable to any available X-server such as Xvnc.






14. The space within data files is organized into






15. The various Oracle processes coordinate their access to the areas of the SGA by using IPC - Interprocess Communication mechanisms called _______






16. When Application Tier Processes communicate with a Connection Broker - which uses a Connection Pool - this is called _________________






17. In Connection Pooling the information generated by the autonomous tasks not preserved in RAM - but saved in _______ or in the DB itself






18. The SYSAUX tablespace is used to store ____________ - such as Statspack or Management Information.






19. SGA - System Global Area is divided into distinct areas such as the buffer cache - the ________ and the log buffer.






20. A mirrored set of redo log files is called a ________






21. In which Oracle Architecture is each connection handled by a dedicated Oracle process?






22. Applications developed to communicate with Oracle DBs use what type of SQL?






23. A unique part of a record is called__________






24. In which log are events such as startup - shutdown - DDL operations and space shortages written?






25. Typical convention for naming data files






26. In the Shared Server the State Information is kept in the SGA for _______________






27. What is typically the largest portion of the SGA?






28. The location of backup copies of the data files is traditionally referred to as ________






29. In which log is a record written every time a user establishes a connection to the database?






30. The files on the storage disks connected to the database host is the __________






31. When a set of shared Application Tier Processes handle all requests - each of which maintain a persistent connection to the Database - this is called ______________






32. 3 Physical Operations of a Transaction: Index Updates - ___________ - Recursive Operations






33. Core Features of any DBMS are: ___________ - Data Integrity - Security






34. To estimate the amount of space required for your Data Files - Estimate space required for Tables - then ________ the number to allow for Indexes - then Double the number again to allow for Overhead Space and White Space.






35. In a UNIX or Linux environment - you will have to mount the _____ _____ and enable an X Windows environment for the use of _____.






36. In which Oracle Architecture does the client communicate with an ODB Dispatcher Process which has a Request Queue and a Response Queue?






37. A standby database - which is kept in a separate data center - is kept synchronized with the production DB using this.


38. These help ensure that the effects of a user's transaction are Durable (even in the event of a computer failure)






39. What is produces every time certain severe errors occur?






40. This wakes up periodically and copies any accumulated Undo and Redo entries to the Redo Log File.






41. INSERT - UPDATE - ________ are examples of DML - Database Manipulation Language






42. Data files are logically grouped into _____ and are usually given descriptive names such as DATA - INDEX - UNDO & TEMP.






43. The _____ property of a transaction ensures that the transaction does not compromise the integrity of the database.






44. Beginning Oracle 10g - it provides the most essential software in a bundle called an _______.






45. When a redo log file fills up - an Oracle component called the _____ makes one of more copies of it.






46. Configuration file that contains location information for databases






47. In a UNIX or Linux environment - you will also need to use the root account to perform a few tasks such as modifying the __________.






48. At frequent intervals - the contents of the Data Caches are synchronized with the Data Files. This is performed by a dedicated process called ____________






49. A _____ _____ can be created to store blocks within the Buffer Cache that are rarely reused.






50. The Oracle Instance is composed of: Foreground Processes - Background Processes - ___________