Test Levels interview questions

18 real Test Levels 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 Unit test?

Junior
  1. A.a test that exercises a single function or class in isolation from its dependencies
  2. B.a test that drives the whole application through its real interface to simulate a complete user workflow
  3. C.a check that evaluates the fully assembled product against its requirements in a production-like environment
  4. D.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
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3. Which statement is correct?

Junior
  1. A.Unit test — a test that verifies several components or modules work correctly when combined
  2. B.Unit test — a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  3. C.Unit test — a test that exercises a single function or class in isolation from its dependencies
  4. D.Unit test — a check that evaluates the fully assembled product against its requirements in a production-like environment
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4. What is Integration test?

Junior
  1. A.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  2. B.a test that verifies several components or modules work correctly when combined
  3. C.a test that exercises a single function or class in isolation from its dependencies
  4. D.a check that evaluates the fully assembled product against its requirements in a production-like environment
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6. Which statement is correct?

Junior
  1. A.Integration test — a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  2. B.Integration test — a test that exercises a single function or class in isolation from its dependencies
  3. C.Integration test — a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  4. D.Integration test — a test that verifies several components or modules work correctly when combined
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7. What is End-to-end test?

Mid
  1. A.a test that drives the whole application through its real interface to simulate a complete user workflow
  2. B.a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  3. C.a test that exercises a single function or class in isolation from its dependencies
  4. D.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
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9. Which statement is correct?

Mid
  1. A.End-to-end test — a test that exercises a single function or class in isolation from its dependencies
  2. B.End-to-end test — a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  3. C.End-to-end test — a check that evaluates the fully assembled product against its requirements in a production-like environment
  4. D.End-to-end test — a test that drives the whole application through its real interface to simulate a complete user workflow
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10. What is System test?

Mid
  1. A.a test that exercises a single function or class in isolation from its dependencies
  2. B.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  3. C.a test that verifies several components or modules work correctly when combined
  4. D.a check that evaluates the fully assembled product against its requirements in a production-like environment
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12. Which statement is correct?

Mid
  1. A.System test — a check that evaluates the fully assembled product against its requirements in a production-like environment
  2. B.System test — a test that verifies several components or modules work correctly when combined
  3. C.System test — a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  4. D.System test — a test that drives the whole application through its real interface to simulate a complete user workflow
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13. What is Test pyramid?

Mid
  1. A.a test that verifies several components or modules work correctly when combined
  2. B.a test that exercises a single function or class in isolation from its dependencies
  3. C.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  4. D.a check that evaluates the fully assembled product against its requirements in a production-like environment
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15. Which statement is correct?

Mid
  1. A.Test pyramid — a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
  2. B.Test pyramid — a test that drives the whole application through its real interface to simulate a complete user workflow
  3. C.Test pyramid — a test that exercises a single function or class in isolation from its dependencies
  4. D.Test pyramid — a test that verifies several components or modules work correctly when combined
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16. What is Smoke test?

Junior
  1. A.a test that drives the whole application through its real interface to simulate a complete user workflow
  2. B.a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  3. C.a test that exercises a single function or class in isolation from its dependencies
  4. D.a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
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18. Which statement is correct?

Junior
  1. A.Smoke test — a check that evaluates the fully assembled product against its requirements in a production-like environment
  2. B.Smoke test — a quick shallow check that the most critical paths of a build run at all before deeper testing begins
  3. C.Smoke test — a test that verifies several components or modules work correctly when combined
  4. D.Smoke test — a model recommending many fast low-level checks, fewer mid-level ones, and very few slow full-stack ones
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