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Test your basic knowledge |
Enterprise Application Structure Patterns
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 50 questions in 30 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. Saves an association as a table with foreign keys to the tables that are linked by the association.
Row Data Gateway
Unit of Work
Serialized LOB
Association Table Mapping
2. Represents an inheritance hierarchy of classes as a single table that has columns for all the fields of the various classes.
Transform View
Application Controller
Remote Facade
Single Table Inheritance
3. Prevents conflicts between concurrent business transactions by detecting a conflict and rolling back the transaction.
Record Set
Optimistic Offline Lock
Identity Field
Application Controller
4. An object that acts as a Gateway to a database table. One instance handles all the rows in the table.
Metadata Mapping
Optimistic Offline Lock
Query Object
Table Data Gateway
5. An object that handles a request for a specific page or action on a Web site.
Transform View
Implicit Lock
Dependent Mapping
Page Controller
6. Stores session state on the client.
Repository
Embedded Value
Client Session State
Coarse-Grained Lock
7. Links classes during configuration rather than compilation.
Embedded Value
Transform View
Plugin
Coarse-Grained Lock
8. Has one class perform the database mapping for a child class.
Remote Facade
Layer Supertype
Mapper
Dependent Mapping
9. An in-memory representation of tabular data.
Client Session State
Transform View
Identity Map
Record Set
10. An object that acts as a Gateway to a single record in a data source. There is one instance per row.
Coarse-Grained Lock
Row Data Gateway
Remote Facade
Record Set
11. Saves the database ID field in an object to maintain identity between an in-memory object and a database row.
Domain Model
Record Set
Table Data Gateway
Identity Field
12. Prevents conflicts between concurrent business transactions by allowing only one business transaction at a time to access data.
Value Object
Transform View
Domain Model
Pessimistic Offline Lock
13. Represents an inheritance hierarchy of classes with one table per concrete class in the hierarchy.
Association Table Mapping
Template View
Concrete Table Inheritance
Coarse-Grained Lock
14. 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.
Data Mapper
Identity Map
Record Set
Client Session State
15. Maintains a list of objects affected by a business transaction and coordiantes the writing out of changes and the resolution of concurrency problems.
Serialized LOB
Remote Facade
Page Controller
Unit of Work
16. An object that encapsulates access to an external system or resource.
Registry
Gateway
Client Session State
Foreign Key Mapping
17. 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.
Dependent Mapping
Transform View
Unit of Work
Service Layer
18. Organizes business logic by procedures where each procedure handles a single request from the presentation.
Transaction Script
Data Mapper
Model View Controller
Transform View
19. Turns domain data into HTML in two steps: first by forming some kind of logical page - then rendering the logical page into HTML.
Single Table Inheritance
Transform View
Plugin
Two Step View
20. Mediates between the domain and data mapping layers using a collection-like interfacefor accessing domain objects.
Metadata Mapping
Identity Field
Repository
Single Table Inheritance
21. A controller that handles all requests for a Web site.
Front Controller
Money
Repository
Table Module
22. Maps an object into several fields of another object's table.
Embedded Value
Value Object
Model View Controller
Table Module
23. Saves a graph of objects by serializing them into a single large object (LOB) which stores it in a database field.
Lazy Load
Serialized LOB
Mapper
Client Session State
24. A small simple object - like money or a date range - whose equality isn't based on identity.
Mapper
Repository
Value Object
Layer Supertype
25. A view that proceses domain data element by element and transforms it into HTML.
Layer Supertype
Registry
Optimistic Offline Lock
Transform View
26. An object that sets up a communication between two independent objects.
Mapper
Table Data Gateway
Row Data Gateway
Inheritance Mappers
27. An object that carries data between processes in order to reduce the number of method calls.
Serialized LOB
Data Transfer Object
Foreign Key Mapping
Template View
28. Locks a set of related objects with a single lock.
Coarse-Grained Lock
Identity Field
Single Table Inheritance
Pessimistic Offline Lock
29. A centralized point for handling screen navigation and the flow of an application.
Application Controller
Query Object
Front Controller
Embedded Value
30. A type that acts as the supertype for all types in its layer.
Transaction Script
Serialized LOB
Layer Supertype
Identity Map
31. Represents an inheritance hierarchy of classes with one table for each class.
Front Controller
Page Controller
Class Table Inheritance
Money
32. A well-known object that other objects can use to find common objects and services.
Optimistic Offline Lock
Pessimistic Offline Lock
Registry
Page Controller
33. An object that represents a database query.
Optimistic Offline Lock
Embedded Value
Query Object
Plugin
34. Allows framework or layer supertype code to acquire offline locks.
Implicit Lock
Remote Facade
Unit of Work
Domain Model
35. Represents a monetary value.
Active Record
Money
Transaction Script
Dependent Mapping
36. Renders information into HTML by embedding markers in an HTML page.
Data Mapper
Template View
Mapper
Concrete Table Inheritance
37. An object model of the domain that incorporates both behavior and data.
Mapper
Repository
Implicit Lock
Domain Model
38. A structure to organize database mappers that handle inheritance hierarchies.
Seperated Interface
Inheritance Mappers
Query Object
Domain Model
39. A single instance that handles the business logic for all rows in a database table or view.
Table Module
Active Record
Concrete Table Inheritance
Serialized LOB
40. Defines an interface in a seperate package from its implementation.
Server Session State
Seperated Interface
Transform View
Identity Map
41. Removes dependence upon problematic services during testing.
Serialized LOB
Money
Association Table Mapping
Service Stub
42. A subclass that provides special behavior for particular cases.
Inheritance Mappers
Special Case
Implicit Lock
Front Controller
43. Provides a coarse-grained facade on fine-grained objects to improve efficiency over a network.
Data Mapper
Remote Facade
Layer Supertype
Coarse-Grained Lock
44. A layer of Mappers that moves data between objects and a database while keeping them independent of each other and the mapper itself.
Data Mapper
Record Set
Unit of Work
Transform View
45. Splits user interface interaction into three distinct roles.
Table Data Gateway
Optimistic Offline Lock
Model View Controller
Class Table Inheritance
46. An object that sets up a communication between two independent objects.
Metadata Mapping
Active Record
Identity Map
Mapper
47. An object that wraps a row in a database table or view - encapsulates the database access and adds domain logic on that data.
Active Record
Value Object
Remote Facade
Optimistic Offline Lock
48. An object that doesn't contain all of the data you need but knows how to get it.
Seperated Interface
Lazy Load
Single Table Inheritance
Mapper
49. Stores session data as commited data in the database.
Database Session State
Record Set
Pessimistic Offline Lock
Inheritance Mappers
50. Keeps the session state on a server system in a serialized form.
Plugin
Foreign Key Mapping
Server Session State
Embedded Value