According to Pareto's principle, x% of defects can be traced to y% of all causes. What are the values of x and y?

Which of the following is not a phase of the Software Development Life Cycle (SDLC)?

A. Planning

B. Analysis

C. Testing

D. Maintenance

What does UML stand for in software engineering?

A. Unified Modeling Language

B. Universal Modeling Language

C. Unique Modeling Language

D. Unified Management Language

Which software development model is also known as the linear-sequential life cycle model?

A. Agile

B. Waterfall

C. Spiral

D. RAD (Rapid Application Development)

In which phase of the SDLC is the feasibility study conducted?

A. Planning

B. Design

C. Implementation

D. Maintenance