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Waterfall Software Process Model

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Questions and Answers

After testing, what happens to the software system?

It is delivered to the customer (correct)

It is maintained and corrected

It is installed and put into practical use

It is redesigned from scratch

What is the longest life-cycle phase?

Implementation

Testing

Operation and maintenance (correct)

Design

What is a result of each phase in the waterfall model?

Improvement of system services

One or more documents that are approved (correct)

Implementation of system units

Correction of errors

What happens when new information emerges in a process stage?

Documents produced at previous stages are modified (B) Signup and view all the answers

What is a consequence of premature freezing of requirements?

Problems are left for later resolution (D) Signup and view all the answers

When are iterative development and agile methods better suited?

When informal team communication is possible and software requirements change quickly (B) Signup and view all the answers

In the waterfall model of software development, which phase involves verifying that each unit meets its specification?

Implementation and unit testing (D) Signup and view all the answers

Which phase of the waterfall model establishes an overall system architecture?

System and software design (C) Signup and view all the answers

Which term describes the software development model that is known for a cascade from one phase to another?

Waterfall model (D) Signup and view all the answers

What is the primary focus of the 'Requirements analysis and definition' phase in the waterfall model?

Consultation with system users to establish system services (C) Signup and view all the answers

Which of the following is NOT a characteristic of the waterfall model of software development?

Iterative development process (D) Signup and view all the answers

What is the function of the 'Integration and system testing' phase in the waterfall model of software development?

Ensuring the software requirements have been met (A) Signup and view all the answers