浙江大学 软件工程课程网站

第14章试题


1. In the most general sense a component is a modular building block for computer software.

A. True
B. False

正确答案：A



2. In the context of object-oriented software engineering a component contains

A. attributes and operations
B. instances of each class
C. roles for each actor (device or user)
D. set of collaborating classes

正确答案：D



3. In traditional software engineering modules must serve in which of the following roles?

A. Control component
B. Infrastructure component
C. Problem domain component
D. All of the above

正确答案：D



4. Software engineers always need to cerate components from scratch in order to meet customer expectations fully.

A. True
B. False

正确答案：B



5. Which of the following is not one of the four principles used to guide component-level design?

A. Dependency Inversion Principle
B. Interface Segregation Principle
C. Open-Closed Principle
D. Parsimonious Complexity Principle

正确答案：D



6. The use of stereotypes can help identify the nature of components at the detailed design level.

A. True
B. False

正确答案：A



7. Classes and components that exhibit functional, layer, or communicational cohesion are relatively easy to implement, test, and maintain.

A. True
B. False

正确答案：A



8. Software coupling is a sign of poor architectural design and can always be avoided in every system.

A. True
B. False

正确答案：B



9. In component design elaboration requires which of the following elements to be describe in detail?

A. Algorithms
B. Attributes
C. Interfaces
D. Operations
E. b, c, d

正确答案：E



10. In component-level design persistent data sources refer to

A. Component libraries
B. Databases
C. Files
D. All of the above
E. b and c

正确答案：E



11. WebApp content design at the component level focuses on content objects and the manner in which they interact.

A. True
B. False

正确答案：B



12. A WebApp functional architecture describes the key functional components and how they interact with each other.

A. True
B. False

正确答案：A



13. Component-level design for mobile apps is not any different from component-based design for Web apps.

A. True
B. False

正确答案：A



14. Which of these constructs is used in structured programming?

A. branching
B. condition
C. repetition
D. sequence
E. b, c, d

正确答案：E



15. In component-based software engineering, the development team examines the requirements to see which are amenable to composition, rather than construction, before beginning detailed design tasks.

A. True
B. False

正确答案：A



16. Which of the following is not one of the major activities of domain engineering?

A. analysis
B. construction
C. dissemination
D. validation

正确答案：D



17. Which of the following factors would not be considered during component qualification?

A. application programming interface (API)
B. development and integration tools required
C. exception handling
D. testing equipment required

正确答案：D



18. Which is the following is a technique used for component wrapping?

A. black-box wrapping
B. clear-box wrapping
C. gray-box wrapping
D. white-box wrapping

正确答案：B



19. Which of the following is not one of the issues that form a basis for design for reuse?

A. object-oriented programming
B. program templates
C. standard data
D. standard interface protocols

正确答案：A



20. In a reuse environment, library queries are often characterized using the ________ element of the 3C Model.

A. concept
B. content
C. context
D. all of the above

正确答案：D