SADCW-6ed Chapter 3 Use Cases

SADCW-6ed Chapter 3: Use Cases


TRUE/FALSE

1. The CRUD technique is often used to validate and enhance the list of use cases.

ANS: T PTS: 1 REF: p69

2. During the interviews in the user goal technique, the analyst should not try to influence the users in
discussing their work methods.

ANS: F PTS: 1 REF: p69

3. Before using the user goal technique the analyst must first identify and classify all the types of system
users.

ANS: T PTS: 1 REF: p69

4. One benefit of the event decomposition technique is that it helps to identify use cases at the right level
of detail.

ANS: T PTS: 1 REF: p70

5. The event decomposition technique begins by identifying use cases.

ANS: F PTS: 1 REF: p71

6. The end product of the event decomposition technique is a list of use cases at the right level of
analysis.

ANS: T PTS: 1 REF: p72

7. When describing an external event, there is no need to worry about the person or thing causing the
event.

ANS: F PTS: 1 REF: p72

8. Temporal events always occur on a fixed date or at a fixed time.

ANS: F PTS: 1 REF: p73

9. A state event is a political or governmental activity.

ANS: F PTS: 1 REF: p73

10. Another name for a state event is an internal event.

ANS: T PTS: 1 REF: p73

11. When a customer buys an item of merchandise using his store credit account, a separate event is
required to pay the store.




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, ANS: T PTS: 1 REF: p74

12. During analysis the analyst should be sure to identify system control events such as the user logging in
or out.

ANS: F PTS: 1 REF: p75-76

13. CRUD stands for create, reply, update, delete.

ANS: F PTS: 1 REF: p77

14. The CRUD technique is most useful as a cross-check along with other techniques.

ANS: T PTS: 1 REF: p77

15. When using the CRUD technique, data ownership by foreign systems is an important consideration.

ANS: T PTS: 1 REF: p78

16. One way to determine whether an occurrence is an event or part of the interaction before or after an
event is by asking if any long pauses or intervals occur.

ANS: T PTS: 1 REF: p74

17. A state event is an event that occurs when something happens outside the system that triggers the need
for processing.

ANS: F PTS: 1 REF: p73-74

18. Real-time systems require the system to react immediately to things that are going on in the
environment.

ANS: T PTS: 1 REF: p72

19. The focus on external events is inappropriate when working with end users because discussing events
tends to confuse the issues.

ANS: F PTS: 1 REF: p72

20. The analyst begins identifying state events by asking about the specific deadlines that the system must
accommodate.

ANS: F PTS: 1 REF: p73-73

21. One technique used to help decide which events apply to controls is to assume that technology is
perfect.

ANS: T PTS: 1 REF: p76

22. An actor is a person that plays a particular role within a business process.

ANS: F PTS: 1 REF: p72

23. Each use case is used by only one actor.


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