WGU C857 Software Quality
Assurance Exam 2025/2026 – Verified
Questions & Correct Answers |
Updated Set
QA Methodologies (Questions 1-40)
1. Question: In Total Quality Management (TQM), the primary focus is on? Options:
o A. Continuous improvement and customer satisfaction
o B. Cost reduction only
o C. Speed of development
o D. Team size optimization Answer: A. Continuous improvement and customer
satisfaction Rationale: TQM, inspired by Deming and Juran, emphasizes PDCA
cycles and Kaizen for ongoing quality enhancements, ensuring long-term
customer loyalty through defect prevention rather than inspection.
2. Question: Agile methodology prioritizes? Options:
o A. Iterative development and flexibility
o B. Detailed upfront planning
o C. Sequential phases
o D. Fixed requirements Answer: A. Iterative development and flexibility
Rationale: Agile Manifesto values working software over comprehensive
documentation, enabling adaptive responses to change via sprints and
retrospectives, ideal for dynamic environments.
3. Question: Six Sigma methodology aims to reduce defects to? Options:
o A. 3.4 per million opportunities
o B. 10 per thousand
o C. 1% error rate
o D. Zero tolerance Answer: A. 3.4 per million opportunities Rationale: DMAIC
framework targets process variation using statistical tools like control charts,
achieving near-perfection for high-reliability industries like manufacturing.
4. Question: In Lean methodology, waste elimination includes removing? Options:
o A. Overproduction and waiting time
o B. Essential features
o C. Testing phases
o D. Documentation Answer: A. Overproduction and waiting time Rationale:
Value stream mapping identifies non-value-adding activities (muda), streamlining
workflows to deliver faster while maintaining quality in software pipelines.
5. Question: ISO 9001 standard emphasizes? Options:
o A. Quality management systems and continual improvement
o B. Security protocols
o C. Agile practices
, o D. Cost accounting Answer: A. Quality management systems and continual
improvement Rationale: International standard for QMS certification requires
process audits and customer focus, ensuring consistent quality across global
supply chains.
6. Question: Waterfall methodology is best suited for? Options:
o A. Projects with well-defined requirements
o B. Rapid prototyping
o C. Frequent changes
o D. Small teams Answer: A. Projects with well-defined requirements Rationale:
Linear sequential model (requirements → design → implementation →
verification → maintenance) excels in regulated industries like aerospace, where
traceability is critical.
7. Question: In DevOps methodology, CI/CD stands for? Options:
o A. Continuous Integration/Continuous Deployment
o B. Code Inspection/Code Delivery
o C. Configuration Integration/Continuous Development
o D. Change Implementation/Code Deployment Answer: A. Continuous
Integration/Continuous Deployment Rationale: Automates build/test/deploy
pipelines to enhance collaboration between dev and ops, reducing release cycles
from weeks to hours.
8. Question: Kaizen in QA methodologies promotes? Options:
o A. Small, incremental improvements
o B. Major overhauls
o C. Annual audits only
o D. External consulting Answer: A. Small, incremental improvements Rationale:
Japanese philosophy of continuous small steps (PDCA) empowers all employees
to identify and fix issues, fostering a quality culture in agile/SDLC environments.
9. Question: CMMI (Capability Maturity Model Integration) has five maturity levels, with
level 5 being? Options:
o A. Optimizing
o B. Defined
o C. Initial
o D. Managed Answer: A. Optimizing Rationale: Highest level focuses on process
improvement and innovation; used in defense/software for scalable quality
assurance across project lifecycles.
10. Question: In Six Sigma, the DMAIC acronym stands for? Options:
o A. Define, Measure, Analyze, Improve, Control
o B. Design, Model, Assess, Implement, Check
o C. Develop, Monitor, Audit, Integrate, Certify
o D. Document, Map, Act, Inspect, Close Answer: A. Define, Measure, Analyze,
Improve, Control Rationale: Structured problem-solving for defect reduction;
root cause analysis (e.g., fishbone diagrams) ensures data-driven QA in SDLC
phases.
11. Question: Pair programming in agile QA involves? Options:
o A. Two developers working together at one workstation
o B. Solo code reviews
, o C. Automated testing only
o D. End-of-sprint audits Answer: A. Two developers working together at one
workstation Rationale: Extreme programming practice enhances code quality
through real-time review, reducing bugs and knowledge silos in iterative
development.
12. Question: TQM's PDCA cycle is attributed to? Options:
o A. W. Edwards Deming
o B. Walter Shewhart
o C. Joseph Juran
o D. Kaoru Ishikawa Answer: A. W. Edwards Deming Rationale: Plan-Do-Check-
Act enables iterative quality loops; foundational to ISO and CMMI, promoting
proactive defect prevention.
13. Question: Scrum in agile uses? Options:
o A. Sprints and daily stand-ups
o B. Waterfall gates
o C. Gantt charts
o D. Milestone reviews Answer: A. Sprints and daily stand-ups Rationale: Time-
boxed iterations (2-4 weeks) with roles (PO, SM, team); burndown charts track
progress, ensuring adaptive QA.
14. Question: Lean Six Sigma combines? Options:
o A. Waste reduction with defect minimization
o B. Speed with cost only
o C. Team building with documentation
o D. Agile with waterfall Answer: A. Waste reduction with defect minimization
Rationale: Integrates Lean's flow efficiency with Six Sigma's statistical rigor;
DMAIC applied to value streams for comprehensive QA.
15. Question: ISO/IEC 25010 defines software quality by? Options:
o A. Eight characteristics including maintainability and usability
o B. Cost metrics only
o C. Development speed
o D. User count Answer: A. Eight characteristics including maintainability and
usability Rationale: Model for product quality (functional suitability,
performance efficiency, etc.); guides QA planning across SDLC.
16. Question: V-model in QA emphasizes? Options:
o A. Verification and validation at each stage
o B. Iterative loops
o C. Agile retrospectives
o D. Continuous deployment Answer: A. Verification and validation at each stage
Rationale: Extension of waterfall with parallel testing (e.g., unit test for
requirements); ensures early defect detection.
17. Question: Kanban methodology uses? Options:
o A. Visual boards for workflow management
o B. Fixed sprints
o C. Hierarchical reviews
Assurance Exam 2025/2026 – Verified
Questions & Correct Answers |
Updated Set
QA Methodologies (Questions 1-40)
1. Question: In Total Quality Management (TQM), the primary focus is on? Options:
o A. Continuous improvement and customer satisfaction
o B. Cost reduction only
o C. Speed of development
o D. Team size optimization Answer: A. Continuous improvement and customer
satisfaction Rationale: TQM, inspired by Deming and Juran, emphasizes PDCA
cycles and Kaizen for ongoing quality enhancements, ensuring long-term
customer loyalty through defect prevention rather than inspection.
2. Question: Agile methodology prioritizes? Options:
o A. Iterative development and flexibility
o B. Detailed upfront planning
o C. Sequential phases
o D. Fixed requirements Answer: A. Iterative development and flexibility
Rationale: Agile Manifesto values working software over comprehensive
documentation, enabling adaptive responses to change via sprints and
retrospectives, ideal for dynamic environments.
3. Question: Six Sigma methodology aims to reduce defects to? Options:
o A. 3.4 per million opportunities
o B. 10 per thousand
o C. 1% error rate
o D. Zero tolerance Answer: A. 3.4 per million opportunities Rationale: DMAIC
framework targets process variation using statistical tools like control charts,
achieving near-perfection for high-reliability industries like manufacturing.
4. Question: In Lean methodology, waste elimination includes removing? Options:
o A. Overproduction and waiting time
o B. Essential features
o C. Testing phases
o D. Documentation Answer: A. Overproduction and waiting time Rationale:
Value stream mapping identifies non-value-adding activities (muda), streamlining
workflows to deliver faster while maintaining quality in software pipelines.
5. Question: ISO 9001 standard emphasizes? Options:
o A. Quality management systems and continual improvement
o B. Security protocols
o C. Agile practices
, o D. Cost accounting Answer: A. Quality management systems and continual
improvement Rationale: International standard for QMS certification requires
process audits and customer focus, ensuring consistent quality across global
supply chains.
6. Question: Waterfall methodology is best suited for? Options:
o A. Projects with well-defined requirements
o B. Rapid prototyping
o C. Frequent changes
o D. Small teams Answer: A. Projects with well-defined requirements Rationale:
Linear sequential model (requirements → design → implementation →
verification → maintenance) excels in regulated industries like aerospace, where
traceability is critical.
7. Question: In DevOps methodology, CI/CD stands for? Options:
o A. Continuous Integration/Continuous Deployment
o B. Code Inspection/Code Delivery
o C. Configuration Integration/Continuous Development
o D. Change Implementation/Code Deployment Answer: A. Continuous
Integration/Continuous Deployment Rationale: Automates build/test/deploy
pipelines to enhance collaboration between dev and ops, reducing release cycles
from weeks to hours.
8. Question: Kaizen in QA methodologies promotes? Options:
o A. Small, incremental improvements
o B. Major overhauls
o C. Annual audits only
o D. External consulting Answer: A. Small, incremental improvements Rationale:
Japanese philosophy of continuous small steps (PDCA) empowers all employees
to identify and fix issues, fostering a quality culture in agile/SDLC environments.
9. Question: CMMI (Capability Maturity Model Integration) has five maturity levels, with
level 5 being? Options:
o A. Optimizing
o B. Defined
o C. Initial
o D. Managed Answer: A. Optimizing Rationale: Highest level focuses on process
improvement and innovation; used in defense/software for scalable quality
assurance across project lifecycles.
10. Question: In Six Sigma, the DMAIC acronym stands for? Options:
o A. Define, Measure, Analyze, Improve, Control
o B. Design, Model, Assess, Implement, Check
o C. Develop, Monitor, Audit, Integrate, Certify
o D. Document, Map, Act, Inspect, Close Answer: A. Define, Measure, Analyze,
Improve, Control Rationale: Structured problem-solving for defect reduction;
root cause analysis (e.g., fishbone diagrams) ensures data-driven QA in SDLC
phases.
11. Question: Pair programming in agile QA involves? Options:
o A. Two developers working together at one workstation
o B. Solo code reviews
, o C. Automated testing only
o D. End-of-sprint audits Answer: A. Two developers working together at one
workstation Rationale: Extreme programming practice enhances code quality
through real-time review, reducing bugs and knowledge silos in iterative
development.
12. Question: TQM's PDCA cycle is attributed to? Options:
o A. W. Edwards Deming
o B. Walter Shewhart
o C. Joseph Juran
o D. Kaoru Ishikawa Answer: A. W. Edwards Deming Rationale: Plan-Do-Check-
Act enables iterative quality loops; foundational to ISO and CMMI, promoting
proactive defect prevention.
13. Question: Scrum in agile uses? Options:
o A. Sprints and daily stand-ups
o B. Waterfall gates
o C. Gantt charts
o D. Milestone reviews Answer: A. Sprints and daily stand-ups Rationale: Time-
boxed iterations (2-4 weeks) with roles (PO, SM, team); burndown charts track
progress, ensuring adaptive QA.
14. Question: Lean Six Sigma combines? Options:
o A. Waste reduction with defect minimization
o B. Speed with cost only
o C. Team building with documentation
o D. Agile with waterfall Answer: A. Waste reduction with defect minimization
Rationale: Integrates Lean's flow efficiency with Six Sigma's statistical rigor;
DMAIC applied to value streams for comprehensive QA.
15. Question: ISO/IEC 25010 defines software quality by? Options:
o A. Eight characteristics including maintainability and usability
o B. Cost metrics only
o C. Development speed
o D. User count Answer: A. Eight characteristics including maintainability and
usability Rationale: Model for product quality (functional suitability,
performance efficiency, etc.); guides QA planning across SDLC.
16. Question: V-model in QA emphasizes? Options:
o A. Verification and validation at each stage
o B. Iterative loops
o C. Agile retrospectives
o D. Continuous deployment Answer: A. Verification and validation at each stage
Rationale: Extension of waterfall with parallel testing (e.g., unit test for
requirements); ensures early defect detection.
17. Question: Kanban methodology uses? Options:
o A. Visual boards for workflow management
o B. Fixed sprints
o C. Hierarchical reviews
