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Pregunta 1
Pregunta
1. The process of creating an information system is known as ____ development.
Respuesta
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A) systems
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B) database
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C) network
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D) transformation
Pregunta 2
Pregunta
2. The process of database design and implementation is ____ development.
Respuesta
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A) systems
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B) databse
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C) network
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D) transformation
Pregunta 3
Pregunta
3. The primary objective of database design is ____
Respuesta
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A) to create the most efficient database possible
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B) to create complete, normalized, non-redundant, and fully integrated conceptual, logical, and physical database models.
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C) to create the fastest queries
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D) to be able to add data quickly
Pregunta 4
Pregunta
4. The traditional SDLC is divided into ____ phases.
Respuesta
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A) two
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B) three
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C) four
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D) five
Pregunta 5
Pregunta
5. The initial assessment and the feasibility study are part of the SDLC's ____ phase
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implementation
Pregunta 6
Pregunta
6. User requirements, existing system evaluation, and logical system design are part of the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implementation
Pregunta 7
Pregunta
7. A detailed system specification is part of the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implementation
Pregunta 8
Pregunta
8. Coding, testing, and debugging are part of the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implemetnation
Pregunta 9
Pregunta
9. Installation and fine tuning are part of the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implementation
Pregunta 10
Pregunta
10. Evaluation, maintenance, and enhancement are part of the ____ phase of the SDLC.
Respuesta
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A) planning
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B) maintenance
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C) detailed systems design
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D) implementation
Pregunta 11
Pregunta
11. The SDLC is most important to the ____.
Respuesta
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A) programmer
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B) manager
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C) system designer
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D) database administrator
Pregunta 12
Pregunta
12. “Should the existing system be replaced?” is a question that is asked during the ____ stage of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) implementation
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D) maintenance
Pregunta 13
Pregunta
13. “What are the requirements of the current system’s end users?” is a question asked during the ____phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) implementation
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D) maintenance
Pregunta 14
Pregunta
14. The logical systems design is created during the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) implementation
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D) maintenance
Pregunta 15
Pregunta
15. The design of the system’s processes is completed during the ____ phase of the SDLC.
Respuesta
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A) planning
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B) analysis
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C) detailed systems design
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D) implementation
Pregunta 16
Pregunta
16. The database is loaded during the ____ phase of the SDLC.
Respuesta
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A) analysis
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B) detailed systems design
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C) implementation
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D) maintenance
Pregunta 17
Pregunta
17. There are ____ stages in the DBLC.
Respuesta
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A) four
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B) five
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C) six
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D) seven
Pregunta 18
Pregunta
18. The implementation of ____-produced applications tends to prolong the operational life of systems by making them easier to update and maintain.
Respuesta
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A) database
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B) network
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C) CASE
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D) design
Pregunta 19
Pregunta
19. Analyzing the company situation is part of the ____ phase of the DBLC.
Respuesta
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A) database initial study
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B) database design
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C) implementation and loading, testing, and evaluation
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D) operation
Pregunta 20
Pregunta
20. Creating the conceptual design and selecting DBMS software are part of the ____ phase of the DBLC.
Respuesta
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A) database initial study
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B) database design
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C) implementation and loading
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D) testing and evaluation
Pregunta 21
Pregunta
21. Installing the DBMS, creating the database, and loading or converting the data are part of the ____phase of the DBLC.
Respuesta
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A) database initial study
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B) database design
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C) implementation and loading
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D) testing and evaluation
Pregunta 22
Pregunta
22. Testing, fine-tuning, and evaluating the database and its applications are part of the ____ phase of the DBLC.
Respuesta
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A) database initial study
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B) database design
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C) implementation and loading
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D) testing and evaluation
Pregunta 23
Pregunta
23. Producing the required information flow is part of the ____ phase of the DBLC.
Respuesta
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A) database initial study
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B) database design
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C) operation
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D) testing and evaluation
Pregunta 24
Pregunta
24. The last step in the DBLC is ____.
Respuesta
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A) maintenance and evolution
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B) operation
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C) testing and evaluation
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D) implementation and loading
Pregunta 25
Pregunta
25. The first step in the DBLC is ____
Respuesta
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A) operation
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B) database initial study
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C) database design
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D) implementation and loading
Pregunta 26
Pregunta
26. The database initial study phase of the DBLC involves ____.
Respuesta
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A) defining objectives
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B) introducing changes
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C) testing the database
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D) installing the DBMS
Pregunta 27
Pregunta
27. The implementation and loading phase of the DBLC involves ____.
Respuesta
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A) defining objective
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B) introducing changes
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C) testing the database
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D) installing the DBMS
Pregunta 28
Pregunta
28. The conceptual design step that determines end-user views, outputs, and transaction-processing requirements is ____.
Respuesta
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A) data analysis and requirements
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B) entity relationship modeling and normalization
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C) data model verification
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D) distributed database design
Pregunta 29
Pregunta
29. The conceptual design step that defines entities, attributes, and relationships is ____.
Respuesta
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A) database analysis and requirements
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B) entity relationship modeling and normalization
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C) data model verification
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D) distributed database design
Pregunta 30
Pregunta
30. The conceptual design step that identifies ER modules and validates insert, update, and delete rules is____.
Respuesta
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A) database analysis and requirements
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B) ER modeling and normalization
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C) data-model verification
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D) distributed database design
Pregunta 31
Pregunta
31. The conceptual design step that defines the DBMS and data model to use is ____.
Respuesta
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A) database analysis and reuiqrements
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B) ER modeling and normalization
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C) data-model verifiction
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D) distributed database design
Pregunta 32
Pregunta
32. ____ allow(s) physical access to areas by authorized personnel only.
Respuesta
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A) physical security
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B) password security
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C) access rights
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D) data encryption
Pregunta 33
Pregunta
33. Once the data has been loaded into the database, the ____ tests and fine-tunes the database for performance, integrity, concurrent access, and security constraints.
Respuesta
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A) programmer
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B) manager
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C) database administrator
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D) systems administrator
Pregunta 34
Pregunta
34. The maintenance and evolution phase of the DBLC involves ____.
Respuesta
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A) defining objectives
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B) introducing changes
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C) testing the database
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D) installing the DBMS
Pregunta 35
Pregunta
35. The first step in developing the conceptual model using ER diagrams is to ____.
Respuesta
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A) normalize the entities
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B) complete the initial ER diagram
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C) identify, analyze, and refine the business rules
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D) define the attributes, primary keys, and foreign keys for each of the entities
Pregunta 36
Pregunta
36. The first step in the ER model verification process is to ____.
Respuesta
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A) identify each module and its components
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B) identify the ER model's central entity
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C) verify all processes against the ER model
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D) identify each module's internal transaction requirements
Pregunta 37
Pregunta
37. ____ coupling describes the extent to which modules are independent of one another.
Respuesta
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A) verification
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B) process
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C) module
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D) cohesive
Pregunta 38
Pregunta
38. The ____ design is the process of selecting the data storage and data access characteristics of the database.
Respuesta
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A) time
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B) network
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C) logical
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D) physical
Pregunta 39
Pregunta
39. There are ____ classical approaches to database design.
Respuesta
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A) two
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B) three
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C) four
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D) five
Pregunta 40
Pregunta
40. During decentralized design, after the ____ process has been completed, all modules are integrated into one conceptual model.
Respuesta
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A) initial
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B) verification
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C) conceptual
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D) logical
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