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