What is the primary purpose of a prototype in system development?

To refine and validate requirements by giving users a tangible model to interact with

To document the system architecture in detail

To replace the need for formal testing

To provide a fully functional system for production use

What is the purpose of a data dictionary in structured analysis?

To list the programming languages used in the project

To store the actual data used by the system

To define the format, meaning, and usage of data elements in the system

To document the project schedule and milestones

In structured analysis, what does a data flow diagram (DFD) primarily illustrate?

The sequence of program code execution

The physical hardware and network layout of the system

The organizational hierarchy of the project team

The flow of data through processes, external entities, and data stores

Which factor would most strongly favor selecting an agile methodology over a waterfall approach for a new system?

The project has a fixed, non-negotiable budget and timeline

The business environment is dynamic and requirements are expected to evolve

The system must be delivered as a single, complete release with no interim versions

Requirements are fully known and unlikely to change

During the requirements analysis phase of a system development project, the project team discovers that the original cost estimate was based on incomplete information. The team needs to revise the budget and schedule. Which SDLC phase should formally approve these changes?

Project initiation and planning

Certified Information Systems Auditor

Domain 3Objective 3

System Development Methodologies CISA Practice Questions (Page 3)

Part of the Information Systems Acquisition, Development and Implementation domain, which accounts for 12% of the CISA exam.

32questions here

7free pages

8concepts

12%of the exam

Questions 11–15

11foundation · easy
What is the primary purpose of a prototype in system development?
Select an answer first
12foundation · easy
What is the purpose of a data dictionary in structured analysis?
Select an answer first
13foundation · easy
In structured analysis, what does a data flow diagram (DFD) primarily illustrate?
Select an answer first
14foundation · easy
Which factor would most strongly favor selecting an agile methodology over a waterfall approach for a new system?
Select an answer first
15application · medium
During the requirements analysis phase of a system development project, the project team discovers that the original cost estimate was based on incomplete information. The team needs to revise the budget and schedule. Which SDLC phase should formally approve these changes?
Select an answer first

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