浙江大学 软件工程课程网站

第33章试题


1. Since project estimates are not completely reliable, they can be ignored once a software development project begins.

A. True
B. False

正确答案：B



2. The objective of software project planing is to

A. convince the customer that a project is feasible.
B. make use of historical project data.
C. enable a manager to make reasonable estimates of cost and schedule.
D. determine the probable profit margin prior to bidding on a project.

正确答案：C



3. The project scope is defined as a means of bounding the system

A. functionality
B. performance
C. costs
D. schedule
E. a and b

正确答案：E



4. Software feasibility is based on which of the following

A. business and marketing concerns
B. scope, constraints, market
C. technology, finance, time, resources
D. technical prowess of the developers

正确答案：C



5. The number of people required for a software project is determined

A. after an estimate of the development effort is made.
B. by the size of the project budget.
C. from an assessment of the technical complexity of the system.
D. all of the above

正确答案：A



6. Reusable software components must be

A. catalogued for easy reference.
B. standardized for easy application.
C. validated for easy integration.
D. all of the above

正确答案：D



7. The software engineering environment (SEE) consists of which of the following?

A. customers
B. developers
C. hardware platforms
D. software tools
E. c and d

正确答案：E



8. Software project estimation techniques can be broadly classified under which of the following headings?

A. automated processes
B. decomposition techniques
C. empirical models
D. regression models
E. b and c

正确答案：E



9. The size estimate for a software product to be built must be based on a direct measure like LOC.

A. True
B. False

正确答案：B



10. Problem-based estimation is based on problem decomposition which focuses on

A. information domain values
B. project schedule
C. software functions
D. process activities
E. a and c

正确答案：E



11. LOC-based estimation techniques require problem decomposition based on

A. information domain values
B. project schedule
C. software functions
D. process activities

正确答案：C



12. FP-based estimation techniques require problem decomposition based on

A. information domain values
B. project schedule
C. software functions
D. process activities

正确答案：A



13. Process-based estimation techniques require problem decomposition based on

A. information domain values
B. project schedule
C. software functions
D. process activities
E. c and d

正确答案：E



14. Unlike a LOC or function point each person's "use-case" is exactly the same size.

A. True
B. False

正确答案：B



15. When agreement between estimates is poor the cause may often be traced to inadequately defined project scope or inappropriate productivity data.

A. True
B. False

正确答案：A



16. Empirical estimation models are typically based on

A. expert judgement based on past project experiences
B. refinement of expected value estimation
C. regression models derived from historical project data
D. trial and error determination of the parameters and coefficients

正确答案：C



17. COCOMO II is an example of a suite of modern empirical estimation models that require sizing information expressed as:

A. function points
B. lines of code
C. object points
D. any of the above

正确答案：D



18. Putnam's software equation is a dynamic empirical model that has two independent parameters: a size estimate and an indication of project duration in calendar months or years.

A. True
B. False

正确答案：A



19. Function points are of no user in developing estimates for object-oriented software.

A. True
B. False

正确答案：B



20. In agile software development estimation techniques focus on the time required to complete each

A. increment
B. scenario
C. task
D. use-case

正确答案：A



21. It is possible to use a modified function point technique to develop estimates for Web applications.

A. True
B. False

正确答案：A



22. Using a statistical technique like decision tree analysis can provide some assistance in sorting out the true costs associated with the make-buy decision.

A. True
B. False

正确答案：A



23. Outsourcing always provides a simple means of acquiring software at lower cost than onsite development of the same product.

A. True
B. False

正确答案：B