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The logical systems design is created during the _____ phase of the Systems Development Life Cycle (SDLC) .


A) planning
B) analysis
C) implementation
D) maintenance

E) C) and D)
F) B) and C)

Correct Answer

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"Should the existing system be replaced?" is a question that is asked during the _____ stage of the Systems Development Life Cycle (SDLC) .


A) planning
B) analysis
C) implementation
D) maintenance

E) C) and D)
F) A) and B)

Correct Answer

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Evaluation of database performance is rendered easier by the fact there are no standards to measure it.

A) True
B) False

Correct Answer

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Systems analysis establishes the need for an information system and its extent.

A) True
B) False

Correct Answer

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In a(n) _____, only the objects that have been updated or modified since the last full backup are backed up.


A) transaction log backup
B) conservative backup
C) differential backup
D) adaptive backup

E) A) and D)
F) C) and D)

Correct Answer

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C

_____ is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.


A) Conceptual design
B) Networkdesign
C) Logical design
D) Physical design

E) A) and D)
F) A) and C)

Correct Answer

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_____ can render data useless to unauthorized users who might have violated some of the database security layers.


A) Data encryption
B) Access rights
C) Physical security
D) Password security

E) None of the above
F) All of the above

Correct Answer

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The analysis phase of the Systems Development Life Cycle (SDLC) involves a cycle of coding, testing, and debugging.

A) True
B) False

Correct Answer

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Because real-world database design is generally done by teams, the database design is probably divided into major components known as _____.

Correct Answer

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A(n) _____ is a carefully designed and constructed repository of facts that is a part of a larger whole known as an information system.

Correct Answer

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The implementation and loading phase of the Database Life Cycle (DBLC) involves _____.


A) defining objectives
B) introducing changes
C) testing the database
D) installing the DBMS

E) A) and B)
F) C) and D)

Correct Answer

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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).

A) True
B) False

Correct Answer

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True

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.

A) True
B) False

Correct Answer

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The Systems Development Life Cycle (SDLC) is a sequential process rather than an iterative process.

A) True
B) False

Correct Answer

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The traditional Systems Development Life Cycle (SDLC) phases are _____, analysis, detailed systems design, implementation, and maintenance.

Correct Answer

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The last step in the Database Life Cycle (DBLC) is _____.


A) maintenance and evolution
B) operation
C) testing and evaluation
D) implementation and loading

E) All of the above
F) None of the above

Correct Answer

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_____ is a technique that creates logical representations of computing resources that are independent of the underlying physical computing resources.


A) Normalization
B) Virtualization
C) Specialization
D) Generalization

E) A) and D)
F) All of the above

Correct Answer

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The maintenance and evolution phase of the Database Life Cycle (DBLC) involves _____.


A) defining objectives
B) introducing changes
C) testing the database
D) installing the DBMS

E) C) and D)
F) A) and B)

Correct Answer

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B

In DBLC, the phase after the database initial study is _____.


A) operation
B) database design
C) database initial study
D) implementation and loading

E) A) and B)
F) None of the above

Correct Answer

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_____ allow end users to access the database without being able to download the information from their workstations.

Correct Answer

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Diskless w...

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