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 DBMS ensures transactions are: _______ - Consistent - Isolated - Durable






2. The location of the database software






3. Name the 6 Oracle Architectural Choices: Dedicated Server - Shared Server - ___________ - Real Application Clusters (RAC) - Standby DB - Maximum Available Architecture (MAA)






4. The simplest way to create a database is to use the __________.






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






6. 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.






7. In which Oracle Architecture can additional Instances be added to the cluster to scale out instead of scaling up?






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






9. Other things to consider when determining disk space are _____ & Undo / Temp space.






10. This is a queue of Undo and Redo entries.






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






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






13. Oracle Provided Command-Line Tool - * used to automate tasks






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






15. 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.






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






17. Before you can create the first DB on a system - you must first configure a _____.






18. The 6 Background Processes: Database Writer (DBWWR) - Log Writer (LGWR) - Archiver (ARCH) - ___________ - Process Monitor (PMON) - System Monitor (SMON)






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






20. The process responsible for making copies of the Redo Log Files when they fill up.






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






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






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






24. The process responsible for transferring all modified data blocks in the Data Caches to the Data Files.






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






26. An important configuration file related to the users starting a database session is the __________






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






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






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






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






31. The SYSTEM tablespace - which stores only tables containing information about the rest of the database - is called the ___________






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






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






34. 3 ___________: Redundancy - Nullable Data Items - Duplicate Data Records






35. 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






36. A special _____ _____ can be created within the Buffer Cache to store data blocks from frequently used data tables - such as lookup tables.






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






38. In a UNIX or Linux environment - you will need to install and run Oracle using a __________.






39. A factor in the decision to assign a table or index to a particular tablespace is ___________






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






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






42. What describes the various computer processes resident in computer memory and memory areas shared by these processes?






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






44. The engine that processes requests for data from the database is __________






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






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

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47. The _____ property ensures that once all the steps in a transaction have been competed successfully - the results are considered permanent.






48. Commonly used block size of data blocks






49. Programs that can be stored in an Oracle Database are written in






50. Type of a SQL statement used to modify data