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






2. A unique part of a record is called__________






3. 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?






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






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






6. What program is used to create a Listener?






7. 3 ___________: Redundancy - Nullable Data Items - Duplicate Data Records






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






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

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10. 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.






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






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






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






14. 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.






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






16. Type of a SQL statement used to modify data






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






18. The location of the database software






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






20. 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






21. 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.






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






23. 3 Physical Operations of a Transaction: Index Updates - ___________ - Recursive Operations






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






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






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






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






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






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






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






31. 3 ______________: Check - Uniqueness - Referential






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






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






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






35. 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.






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






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






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






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






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






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






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






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






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






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






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






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






48. Commonly used block size of data blocks






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






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







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