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