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






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






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






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






5. 2 tablespaces which are always created by and whose names are mandated by Oracle






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






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






8. 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






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






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






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






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






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






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






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






16. 3 Physical Operations of a Transaction: Index Updates - ___________ - Recursive Operations






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






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






19. The location of the database software






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






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






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






23. Data Files store your _____ & _____.






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






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






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






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






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






29. Commonly used block size of data blocks






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






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






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






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






34. Typical convention for naming data files






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






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






38. 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?






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






40. 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.






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






42. Configuration file that contains location information for databases






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






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






45. 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






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. Type of SQL statements used to create and modify objects






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






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






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