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