6274889
Questão 1
Questão
1. Database designs that fail to recognize that the database is part of a larger information system are not likely to be successful.
Responda
- True
- False
Questão 2
Questão
2. Systems analysis is used to determine the need for an information system and to establish its limits.
Responda
- True
- False
Questão 3
Questão
3. The term “database development” is used to describe the process of database design and implementation.
Responda
- True
- False
Questão 4
Questão
4. The primary objective in database design is to create complete, denormalized, redundant, and fully integrated conceptual, logical, and physical database models.
Responda
- True
- False
Questão 5
Questão
5. The implementation phase of database design includes creating the database storage structure and loading the database, but does not provide for data management.
Responda
- True
- False
Questão 6
Questão
6. The SDLC traces the history of an information system.
Responda
- True
- False
Questão 7
Questão
7. The SDLC provides the big picture within which the database design and application development
can be mapped out and evaluated.
Responda
- True
- False
Questão 8
Questão
8. The SDLC's planning phase yields a general overview of the company and its objectives.
Responda
- True
- False
Questão 9
Questão
9. Problems defined during the planning phase are examined in greater detail during the analysis phase.
Responda
- True
- False
Questão 10
Questão
10. The existing hardware and software systems are studied during the planning phase.
Responda
- True
- False
Questão 11
Questão
11. The result of analysis should be a better understanding of the system's functional areas, actual and potential problems, and opportunities.
Responda
- True
- False
Questão 12
Questão
12. In the detailed systems design phase, the designer starts the design of the system's processes.
Responda
- True
- False
Questão 13
Questão
13. In the detailed systems design phase, steps are laid out for conversion from the old system to the new system.
Responda
- True
- False
Questão 14
Questão
14. Training principles and methodologies are planned during the implementation phase.
Responda
- True
- False
Questão 15
Questão
15. The detailed systems design phase includes all the necessary technical specifications for the screens, menus, reports, and other devices used to make the system more efficient.
Responda
- True
- False
Questão 16
Questão
16. During the implementation phase, the hardware, the DBMS software, and application programs are installed and the database design is implemented.
Responda
- True
- False
Questão 17
Questão
17. During the testing phase, the system is subjected to exhaustive testing until it is ready for use.
Responda
- True
- False
Questão 18
Questão
18. After testing is concluded, end-user training is not necessary.
Responda
- True
- False
Questão 19
Questão
19. Because every request for structural changes requires retracing the SDLC steps, the system is always
at some stage of the SDLC.
Responda
- True
- False
Questão 20
Questão
20. A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance.
Responda
- True
- False
Questão 21
Questão
21. To analyze the company situation, the database designer must discover what the company's operational components are, how they function, and how they interact.
Responda
- True
- False
Questão 22
Questão
22. After the initial declarations in a study, the database designer must carefully probe in order to generate additional information that will help define the problem within the larger framework of company operations.
Responda
- True
- False
Questão 23
Questão
23. In most modern relational DBMSs, a new database implementation requires the creation of special
storage-related constructs to house the end-user tables.
Responda
- True
- False
Questão 24
Questão
24. Data integrity is enforced by the DBMS through the proper use of primary and foreign key rules.
Responda
- True
- False
Questão 25
Questão
25. The testing and evaluation phase occurs after applications programming
Responda
- True
- False
Questão 26
Questão
26. Database performance is one of the least important factors in all database implementations.
Responda
- True
- False
Questão 27
Questão
27. Performance evaluation is rendered more difficult by the fact that there are standard measurements
for database performance.
Responda
- True
- False
Questão 28
Questão
28. The database administrator must be prepared to perform routine maintenance activities within the
database
Responda
- True
- False
Questão 29
Questão
29. Physical design becomes simpler when data is distributed at different locations.
Responda
- True
- False
Questão 30
Questão
30. Decentralized design is typical of relatively simple and/or small databases and can be successfully
done by a single person.
Responda
- True
- False
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.