Non-Functional interview questions

12 real Non-Functional questions from the Testing bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is Load testing?

Mid
  1. A.measuring how a system behaves under an expected concurrent volume of users or requests
  2. B.probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  3. C.evaluating how easily and intuitively real people can accomplish goals with an interface
  4. D.pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
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3. Which statement is correct?

Mid
  1. A.Load testing — measuring how a system behaves under an expected concurrent volume of users or requests
  2. B.Load testing — probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  3. C.Load testing — evaluating how easily and intuitively real people can accomplish goals with an interface
  4. D.Load testing — pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
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4. What is Stress testing?

Senior
  1. A.evaluating how easily and intuitively real people can accomplish goals with an interface
  2. B.probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  3. C.measuring how a system behaves under an expected concurrent volume of users or requests
  4. D.pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
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6. Which statement is correct?

Senior
  1. A.Stress testing — measuring how a system behaves under an expected concurrent volume of users or requests
  2. B.Stress testing — probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  3. C.Stress testing — evaluating how easily and intuitively real people can accomplish goals with an interface
  4. D.Stress testing — pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
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7. What is Security testing?

Mid
  1. A.measuring how a system behaves under an expected concurrent volume of users or requests
  2. B.pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
  3. C.probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  4. D.evaluating how easily and intuitively real people can accomplish goals with an interface
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9. Which statement is correct?

Mid
  1. A.Security testing — measuring how a system behaves under an expected concurrent volume of users or requests
  2. B.Security testing — pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
  3. C.Security testing — evaluating how easily and intuitively real people can accomplish goals with an interface
  4. D.Security testing — probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
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10. What is Usability testing?

Junior
  1. A.pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
  2. B.evaluating how easily and intuitively real people can accomplish goals with an interface
  3. C.probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
  4. D.measuring how a system behaves under an expected concurrent volume of users or requests
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12. Which statement is correct?

Junior
  1. A.Usability testing — pushing a system beyond its normal capacity to find its breaking point and observe failure behavior
  2. B.Usability testing — measuring how a system behaves under an expected concurrent volume of users or requests
  3. C.Usability testing — evaluating how easily and intuitively real people can accomplish goals with an interface
  4. D.Usability testing — probing an application for vulnerabilities, weak access controls, and exposure of sensitive data
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