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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 unique part of a record is called__________






2. Commonly used block size of data blocks






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






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






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






6. A DBMS ensures transactions are: _______ - Consistent - Isolated - Durable






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






8. 3 ___________: Redundancy - Nullable Data Items - Duplicate Data Records






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






10. 2 tablespaces which are always created by and whose names are mandated by Oracle






11. The 4 Steps involved in installing the Instant Client: Download from OTN (Oracle Technology Network). - Unzip into directory of choice. - Create __________ - Add location of software to PATH and TNS_ADMIN.






12. The very large __________ shared by all Oracle processes is the SGA - System Global Area






13. The space within data files is organized into






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






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






16. Type of SQL statements used to create and modify objects






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






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






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






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






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






22. Data Files store your _____ & _____.






23. Which Oracle Architecture combines RAC and Standby technology?






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






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






26. This file contains info about the rest of the DB - like names and locations of data files - redo log files and is used by Oracle while starting the DB.






27. Configuration file that contains location information for databases






28. Typical convention for naming data files






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






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






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






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






33. What tool is used to automated the process of Redo information being shipped from the Main DB and applied to the Standby DB?






34. The process responsible for transferring all Undo and Redo entries in the Log Buffer to the Redo Log Files.






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






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






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






38. A Dedicated _____ _____ is typically started whenever a user connects to the database.






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






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






41. Oracle needs at least _____ redo log files and they should be the _____ _____.






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






43. 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.






44. 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






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






46. 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.






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






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






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






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







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