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