IS5803 Quiz

 

IT professionals recognize that successful systems must be user-oriented, and users need to be involved, formally or informally, at every stage of system development.  a. True  b. False

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The database and the Internet speak the same language.  a. True  b. False

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An evaluation model is a technique that uses a common yardstick to measure and compare vendor ratings.  a. True  b. False

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Tools make it easier to build an information system, thereby boosting IT productivity and improving the quality of the finished product.  a. True  b. False

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Using flowcharts, programmers can break large systems into subsystems that are easier to understand and code.  a. True  b. False

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In an efficient design, data is reentered at least two times.  a. True  b. False

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A main advantage of ERP is that it describes a specific hardware and software environment, also called a platform, which ensures connectivity and easy integration of future systems, including in-house software and commercial packages.  a. True  b. False

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Today's mobile devices have enough computing power to provide processing "at the edge," which means at the end of a network, in the user's hands.  a. True  b. False

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Internal and external factors affect every business decision that a company makes, and IT systems are no exception.  a. True  b. False

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Using a work breakdown structure (WBS) allows one to manage a project as one large task.  a. True  b. False

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When network traffic is encrypted, it is invisible and its content and purpose are masked.  a. True  b. False

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A use case represents the steps in a specific business function or process.  a. True  b. False

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In the systems design phase, a logical model is built that describes how the system will be constructed.  a. True  b. False

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_____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify.

a. Modeling

b. Prototyping

c. Scrum

d. Rapid application development

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Structured application development usually involves a(n) _____, which proceeds from a general design to a detailed structure.

a. top-down approach

b. training plan

c. integrated approach

d. test plan

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If processes must be performed in a specific sequence, the information should be documented in the _____.

a. process descriptions

b. leveling guide

c. data dictionary

d. data flow diagram (DFD)

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_____ is the amount of data that can be transferred in a fixed time period.

a. Dimensionality

b. Topology

c. Resolution

d. Bandwidth

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A(n) _____ produces one or more lines of output for each record processed.

a. detail report

b. exigency report

c. exception report

d. summary report

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The first step in managing IT security is to develop a _____ based on confidentiality, integrity, and availability.

a. risk policy

b. concealment report

c. security policy

d. threat report

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A common tool for showing the distribution of a questionnaire or sampling results is a vertical bar chart called a _____.

a. tree map

b. streamgraph

c. histogram

d. flowchart

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A software package developed to handle information requirements for a specific type of business is called a(n) _____.

a. horizontal application

b. vertical application

c. asymmetric application

d. symmetric application

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Which is an example of a discretionary project?

a. Including annual updates to payroll and tax percentages

b. Creating a new report for a user

c. Updating quarterly changes in reporting requirements for an insurance processing system

d. Adding a report required by a new federal law

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A _____ is a set of letters or numbers that represents a data item.

a. code

b. business glossary

c. mnemonic

d. data dictionary

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An object's _____ are the tasks or functions that the object performs when it receives a command to do so.

a. roles

b. methods

c. utilities

d. instances

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A _____ consists of horizontal bars, connected with arrows that indicate task dependencies.

a. Gantt chart

b. wireframe

c. Scatter chart

d. viewport

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