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Enterprise Application Structure Patterns

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 well-known object that other objects can use to find common objects and services.






2. A structure to organize database mappers that handle inheritance hierarchies.






3. An object that encapsulates access to an external system or resource.






4. Represents an inheritance hierarchy of classes with one table per concrete class in the hierarchy.






5. Represents an inheritance hierarchy of classes as a single table that has columns for all the fields of the various classes.






6. A view that proceses domain data element by element and transforms it into HTML.






7. Mediates between the domain and data mapping layers using a collection-like interfacefor accessing domain objects.






8. An object that doesn't contain all of the data you need but knows how to get it.






9. An object that represents a database query.






10. Provides a coarse-grained facade on fine-grained objects to improve efficiency over a network.






11. Prevents conflicts between concurrent business transactions by allowing only one business transaction at a time to access data.






12. Locks a set of related objects with a single lock.






13. An object that carries data between processes in order to reduce the number of method calls.






14. Maintains a list of objects affected by a business transaction and coordiantes the writing out of changes and the resolution of concurrency problems.






15. Saves the database ID field in an object to maintain identity between an in-memory object and a database row.






16. Removes dependence upon problematic services during testing.






17. A small simple object - like money or a date range - whose equality isn't based on identity.






18. Defines an interface in a seperate package from its implementation.






19. Links classes during configuration rather than compilation.






20. A subclass that provides special behavior for particular cases.






21. Splits user interface interaction into three distinct roles.






22. A single instance that handles the business logic for all rows in a database table or view.






23. An object model of the domain that incorporates both behavior and data.






24. Keeps the session state on a server system in a serialized form.






25. An object that sets up a communication between two independent objects.






26. A layer of Mappers that moves data between objects and a database while keeping them independent of each other and the mapper itself.






27. Defines an application's boundary with a layer of services that establishes a set of available operations and coordinates the application's response in each operation.






28. Ensures that each object gets loaded only once by keeping every loaded object in a map. Looks up objects using the map when referring to them.






29. Prevents conflicts between concurrent business transactions by detecting a conflict and rolling back the transaction.






30. An object that handles a request for a specific page or action on a Web site.






31. Maps an object into several fields of another object's table.






32. Organizes business logic by procedures where each procedure handles a single request from the presentation.






33. A controller that handles all requests for a Web site.






34. Maps an association between objects to a foreign key reference between tables.






35. An object that acts as a Gateway to a database table. One instance handles all the rows in the table.






36. Allows framework or layer supertype code to acquire offline locks.






37. Turns domain data into HTML in two steps: first by forming some kind of logical page - then rendering the logical page into HTML.






38. An object that wraps a row in a database table or view - encapsulates the database access and adds domain logic on that data.






39. Represents a monetary value.






40. An object that sets up a communication between two independent objects.






41. Stores session state on the client.






42. A centralized point for handling screen navigation and the flow of an application.






43. A type that acts as the supertype for all types in its layer.






44. Has one class perform the database mapping for a child class.






45. Saves an association as a table with foreign keys to the tables that are linked by the association.






46. Represents an inheritance hierarchy of classes with one table for each class.






47. Saves a graph of objects by serializing them into a single large object (LOB) which stores it in a database field.






48. An in-memory representation of tabular data.






49. Stores session data as commited data in the database.






50. An object that acts as a Gateway to a single record in a data source. There is one instance per row.







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