- A
Spiral
Why wrong: Spiral model is risk-driven and iterative, not purely linear.
- B
Scrum
Why wrong: Scrum is an agile framework with sprints, not sequential phases.
- C
Agile
Why wrong: Agile is iterative and adaptive, not sequential with fixed phases.
- D
Waterfall
Waterfall is linear and phase-based, suitable for fixed-scope projects.
Question 218 of 1,000
FC0-U61 Software Development Practice Question
This FC0-U61 practice question tests your understanding of software development. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer is planning a new project that has very clear and fixed requirements. The project must be completed in a linear fashion with each phase finished before moving to the next. Which development methodology should be used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Waterfall
The Waterfall methodology is correct because it follows a linear, sequential approach where each phase (e.g., requirements, design, implementation, testing) must be completed before the next begins. This aligns perfectly with the project's very clear and fixed requirements, as Waterfall assumes that all requirements are known upfront and changes are minimized.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Spiral
Why it's wrong here
Spiral model is risk-driven and iterative, not purely linear.
- ✗
Scrum
Why it's wrong here
Scrum is an agile framework with sprints, not sequential phases.
- ✗
Agile
Why it's wrong here
Agile is iterative and adaptive, not sequential with fixed phases.
- ✓
Waterfall
Why this is correct
Waterfall is linear and phase-based, suitable for fixed-scope projects.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'linear' with 'iterative' and pick Agile or Scrum because they are popular, but the question explicitly states 'fixed requirements' and 'each phase finished before moving to the next,' which directly points to Waterfall.
Detailed technical explanation
How to think about this question
In Waterfall, each phase produces specific deliverables (e.g., Software Requirements Specification, Design Document) that are formally reviewed and signed off before proceeding, making it ideal for projects with stable, well-understood requirements like government or safety-critical systems. A real-world scenario is building a bridge: you cannot start construction without completing the architectural blueprints, mirroring Waterfall's phase-gate model. Under the hood, Waterfall relies on a document-driven process where changes are costly and require formal change control.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the FC0-U61 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this FC0-U61 question test?
Software Development — This question tests Software Development — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Waterfall — The Waterfall methodology is correct because it follows a linear, sequential approach where each phase (e.g., requirements, design, implementation, testing) must be completed before the next begins. This aligns perfectly with the project's very clear and fixed requirements, as Waterfall assumes that all requirements are known upfront and changes are minimized.
What should I do if I get this FC0-U61 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This FC0-U61 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U61 exam.
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