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CHAPTER 9: DATABASE DESIGN

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CIS 3365 Quiz sobre CHAPTER 9: DATABASE DESIGN, criado por Miguel Lucero em 05-04-2017.
Miguel Lucero
Quiz por Miguel Lucero, atualizado more than 1 year ago
Miguel Lucero
Criado por Miguel Lucero mais de 8 anos atrás
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Resumo de Recurso

Questão 1

Questão
1. Systems analysis establishes the need for an information system and its extent
Responda
  • True
  • False

Questão 2

Questão
2. The term “database development” is used to describe the process of database design and implementation.
Responda
  • True
  • False

Questão 3

Questão
3. The primary objective in database design is to create complete, normalized, nonredundant, and fully integrated conceptual, logical, and physical database models.
Responda
  • True
  • False

Questão 4

Questão
4. 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 5

Questão
5. The Systems Development Life Cycle (SDLC) traces the history of an information system.
Responda
  • True
  • False

Questão 6

Questão
6. The Systems Development Life Cycle (SDLC) provides the big picture within which the database design and application development can be mapped out and evaluated.
Responda
  • True
  • False

Questão 7

Questão
7. The Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process.
Responda
  • True
  • False

Questão 8

Questão
8. The Systems Development Life Cycle’s (SDLC’s) planning phase yields a general overview of the company and its objectives.
Responda
  • True
  • False

Questão 9

Questão
9. The result of analysis phase of the Systems Development Life Cycle (SDLC) should be a better understanding of the system’s functional areas, actual and potential problems, and opportunities.
Responda
  • True
  • False

Questão 10

Questão
10. In the Systems Development Life Cycle (SDLC), problems defined during the planning phase are examined in greater detail during the analysis phase.
Responda
  • True
  • False

Questão 11

Questão
11. The analysis phase of the Systems Development Life Cycle (SDLC) involves a cycle of coding, testing, and debugging.
Responda
  • True
  • False

Questão 12

Questão
12. In the Systems Development Life Cycle (SDLC), the design of the system’s processes begins in the detailed systems design phase.
Responda
  • True
  • False

Questão 13

Questão
13. In the detailed systems design phase of the Systems Development Life Cycle (SDLC), steps are laid out for the conversion of a database from an old system to a new system.
Responda
  • True
  • False

Questão 14

Questão
14. Training principles and methodologies are planned during the implementation phase of the Systems Development Life Cycle (SDLC).
Responda
  • True
  • False

Questão 15

Questão
15. The detailed systems design phase of the Systems Development Life Cycle (SDLC) 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 of the Systems Development Life Cycle (SDLC), the hardware, database management system (DBMS) software, and application programs are installed, and the database design is implemented.
Responda
  • True
  • False

Questão 17

Questão
17. The database contents might be loaded interactively or in batch mode using a variety of methods and devices including customized user programs.
Responda
  • True
  • False

Questão 18

Questão
18. The system is subjected to exhaustive testing during the testing phase of the Systems Development Life Cycle (SDLC).
Responda
  • True
  • False

Questão 19

Questão
19. In the Systems Development Life Cycle (SDLC), after testing is concluded, end-user training is not necessary.
Responda
  • True
  • False

Questão 20

Questão
20. A system is always at some stage of SDLC because every request for structural changes requires retracing the steps of the Systems Development Life Cycle (SDLC).
Responda
  • True
  • False

Questão 21

Questão
21. A system maintenance activity generated in response to changes in the business environment is referred to as corrective maintenance.
Responda
  • True
  • False

Questão 22

Questão
22. The overall purpose of the database initial study is to create the conceptual design.
Responda
  • True
  • False

Questão 23

Questão
23. 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 24

Questão
24. After the initial declarations in Database Life Cycle (DBLC), 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 25

Questão
25. 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 26

Questão
26. The assignment of access rights may restrict operations on predetermined objects such as databases, tables, views, queries, and reports.
Responda
  • True
  • False

Questão 27

Questão
27. Data integrity is enforced by the database management system (DBMS) through the proper use of primary and foreign key rules.
Responda
  • True
  • False

Questão 28

Questão
28. The testing and evaluation phase of the Database Life Cycle (DBLC) occurs after applications programming.
Responda
  • True
  • False

Questão 29

Questão
29. Database performance is one of the least important factors in all database implementations.
Responda
  • True
  • False

Questão 30

Questão
30. Evaluation of database performance is rendered easier by the fact there are no standards to measure it.
Responda
  • True
  • False

Questão 31

Questão
31. The main purpose of a backup is to guarantee database restoration following a hardware or software failure.
Responda
  • True
  • False

Questão 32

Questão
32. The database administrator must be prepared to perform routine maintenance activities within the database.
Responda
  • True
  • False

Questão 33

Questão
33. Physical design becomes simpler when data is distributed at different locations.
Responda
  • True
  • False

Questão 34

Questão
34. Decentralized design is typical of relatively simple, small databases and can be successfully done by a single person.
Responda
  • True
  • False

Questão 35

Questão
35. The process of creating an information system is known as .
Responda
  • a. systems development
  • b. database development
  • c. network development
  • d. enterprise development

Questão 36

Questão
36. The traditional Systems Development Life Cycle (SDLC) is divided into phases.
Responda
  • a. two
  • b. three
  • c. four
  • d. five

Questão 37

Questão
37. Discovery of user requirements, existing system evaluation, and logical system design are part of the phase of the Systems Development Life Cycle (SDLC).
Responda
  • a. planning
  • b. analysis
  • c. detailed systems design
  • d. implementation

Questão 38

Questão
38. Coding, testing, and debugging are part of the phase of the Systems Development Life Cycle (SDLC).
Responda
  • a. planning
  • b. analysis
  • c. detailed systems design
  • d. implementation

Questão 39

Questão
39. “Should the existing system be replaced?” is a question that is asked during the stage of the Systems Development Life Cycle (SDLC).
Responda
  • a. planning
  • b. analysis
  • c. implementation
  • d. maintenance

Questão 40

Questão
40. “What are the requirements of the current system’s end users?” is a question asked during the phase of the Systems Development Life Cycle (SDLC).
Responda
  • a. planning
  • b. analysis
  • c. implementation
  • d. maintenance

Questão 41

Questão
41. The feasibility study during the planning phase of the Systems Development Life Cycle (SDLC) must address the:
Responda
  • a. requirements of the current system’s end users.
  • b. problems and constraints related to the company situation.
  • c. questions about modification and replacement of existing system.
  • d. technical aspects of hardware and software requirements.

Questão 42

Questão
42. The logical systems design is created during the phase of the Systems Development Life Cycle (SDLC).
Responda
  • a. planning
  • b. analysis
  • c. implementation
  • d. maintenance

Questão 43

Questão
43. The database contents are loaded during the phase of the Systems Development Life Cycle (SDLC).
Responda
  • a. analysis
  • b. detailed systems design
  • c. implementation
  • d. maintenance

Questão 44

Questão
44. In DBLC, the phase after the database initial study is .
Responda
  • a. operation
  • b. database design
  • c. database initial study
  • d. implementation and loading

Questão 45

Questão
45. The implementation of applications tends to prolong the operational life of systems by making them easier to update and maintain.
Responda
  • a. database-produced
  • b. network-produced
  • c. CASE-produced
  • d. design-produced

Questão 46

Questão
46. The maintenance and evolution phase of the Database Life Cycle (DBLC) involves .
Responda
  • a. defining objectives
  • b. introducing changes
  • c. testing the database
  • d. installing the DBMS

Questão 47

Questão
47. Selecting database management system (DBMS) software is part of the phase of the Database Life Cycle (DBLC).
Responda
  • a. database initial study
  • b. database design
  • c. implementation and loading
  • d. testing and evaluation

Questão 48

Questão
48. Producing the required information flow is part of the phase of the Database Life Cycle (DBLC).
Responda
  • a. database initial study
  • b. database design
  • c. operation
  • d. testing and evaluation

Questão 49

Questão
49. is a technique that creates logical representations of computing resources that are independent of the underlying physical computing resources.
Responda
  • a. Normalization
  • b. Virtualization
  • c. Specialization
  • d. Generalization

Questão 50

Questão
50. The implementation and loading phase of the Database Life Cycle (DBLC) involves .
Responda
  • a. defining objectives
  • b. introducing changes
  • c. testing the database
  • d. installing the DBMS

Questão 51

Questão
51. In the context of the database design process, the conceptual design step that defines the fragmentation and allocation strategy is .
Responda
  • a. Database analysis and requirements
  • b. ER modeling and normalization
  • c. data model verification
  • d. distributed database design

Questão 52

Questão
52. In the context of the database design process, the conceptual design step that determines end-user views, outputs, and transaction-processing requirements is .
Responda
  • a. Data analysis and requirements
  • b. entity relationship modeling and normalization
  • c. data model verification
  • d. distributed data design

Questão 53

Questão
53. can render data useless to unauthorized users who might have violated some of the database security layers.
Responda
  • a. Data encryption
  • b. Access rights
  • c. Physical security
  • d. Password security

Questão 54

Questão
54. Once the data has been loaded into the database, the tests and fine-tunes the database for performance, integrity, concurrent access, and security constraints.
Responda
  • a. programmer
  • b. manager
  • c. database administrator
  • d. systems administrator

Questão 55

Questão
55. In a(n) , only the objects that have been updated or modified since the last full backup are backed up.
Responda
  • a. transaction log backup
  • b. conservative backup
  • c. differential backup
  • d. adaptive backup

Questão 56

Questão
56. Which of the following is a hardware-induced database failure?
Responda
  • a. memory chip errors
  • b. viruses
  • c. malware
  • d. abortion due to deadlock

Questão 57

Questão
57. The last step in the Database Life Cycle (DBLC) is .
Responda
  • a. maintenance and evolution
  • b. operation
  • c. testing and evaluation
  • d. implementation and loading

Questão 58

Questão
58. The first step in developing the conceptual model using ER diagrams is to .
Responda
  • a. normalize the entities
  • b. complete the initial ER diagram
  • c. identify, analyze, and refine the business rules
  • d. define the attributes, primary keys, and foreign keys for each of the entities

Questão 59

Questão
59. The first step in the ER model verification process is to .
Responda
  • a. identify each module and its components
  • b. identify the ER model’s central entity
  • c. verify all processes against the ER model
  • d. identify each module’s internal transaction requirements

Questão 60

Questão
60. is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.
Responda
  • a. Conceptual design
  • b. Network design
  • c. Logical design
  • d. Physical design

Questão 61

Questão
61. During decentralized design, after the has been completed, all modules are integrated into one conceptual model.
Responda
  • a. declaration process
  • b. verification process
  • c. conceptual process
  • d. logical process

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