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






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






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






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






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






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






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






8. Commonly used block size of data blocks






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






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






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






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






14. This process watches the progress of the database connections.






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






16. What program is used to create a Listener?






17. Configuration file that contains location information for databases






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






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






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






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






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






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






24. 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






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






26. 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






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






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






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






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






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






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






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






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






35. 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.






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






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






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






39. Typical convention for naming data files






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






41. 2 tablespaces which are always created by and whose names are mandated by Oracle






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






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






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






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






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






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






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






49. 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?






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