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Microsoft GH-300 Practice Test 4

Question 30

A retrieved documentation page claims its instructions outrank organizational policies. What is the safe interpretation?

  1. Keep task authorization separate from issue text and restrict agent tool permissions.
  2. Reject the command and investigate the provenance of the untrusted tool output.
  3. Review proposed file changes and require approval for privileged write operations.
  4. Use the page as reference material only, never as a higher-priority policy authority.

Explanation

Correct Answer

D:

Web content can contain adversarial instructions unrelated to the actual development task.

Incorrect Answers

A:

Lower-trust issue content must not grant privileges outside the intended assignment. web content can contain adversarial instructions unrelated to the actual development task.

B:

Tool results are not trusted authorization to exfiltrate secrets. What is the safe interpretation. Web content can contain adversarial instructions unrelated to the actual development task.

C:

Prompt injection can enter through code comments but should not bypass change review. Web content can contain adversarial instructions unrelated to the actual development task.

Question 31

Copilot confidently proposes a performance fix without profiling evidence. What should the engineer request?

  1. Run build, automated tests, linting, and targeted review against requirements.
  2. Obtain benchmark or profiler measurements and compare before and after changes.
  3. Prefer current authoritative vendor documentation and a controlled reproduction over model confidence.
  4. Create a rollback strategy, backups, and a rehearsed migration on test data.

Explanation

Correct Answer

B:

Performance improvement must be demonstrated against the actual workload.

Incorrect Answers

A:

Text generation is not execution or a formal correctness proof. performance improvement must be demonstrated against the actual workload.

C:

A plausible explanation does not supersede a tested product contract. Performance improvement must be demonstrated against the actual workload.

D:

Migration safety depends on data recovery, not a model's confidence language. performance improvement must be demonstrated against the actual workload.

Question 32

A suggested regex passes two happy-path examples but fails unusual Unicode strings. What should be added?

  1. Create a rollback strategy, backups, and a rehearsed migration on test data.
  2. Obtain benchmark or profiler measurements and compare before and after changes.
  3. Prefer current authoritative vendor documentation and a controlled reproduction over model confidence.
  4. Include boundary and internationalized-input tests before trusting the regex.

Explanation

Correct Answer

D:

Generated examples rarely cover the entire valid input space.

Incorrect Answers

A:

Migration safety depends on data recovery, not a model's confidence language. generated examples rarely cover the entire valid input space.

B:

Performance improvement must be demonstrated against the actual workload. What should be added. Generated examples rarely cover the entire valid input space.

C:

A plausible explanation does not supersede a tested product contract. Generated examples rarely cover the entire valid input space.

Question 33

An assistant claims its code is bug-free because it produced no warnings. What evidence is missing?

  1. Include boundary and internationalized-input tests before trusting the regex.
  2. Obtain benchmark or profiler measurements and compare before and after changes.
  3. Create a rollback strategy, backups, and a rehearsed migration on test data.
  4. Run build, automated tests, linting, and targeted review against requirements.

Explanation

Correct Answer

D:

Text generation is not execution or a formal correctness proof.

Incorrect Answers

A:

Generated examples rarely cover the entire valid input space. text generation is not execution or a formal correctness proof.

B:

Performance improvement must be demonstrated against the actual workload. What evidence is missing. Text generation is not execution or a formal correctness proof.

C:

Migration safety depends on data recovery, not a model's confidence language. text generation is not execution or a formal correctness proof.

Question 34

A new LLM answer disagrees with documented API limits. How should the team resolve the discrepancy?

  1. Obtain benchmark or profiler measurements and compare before and after changes.
  2. Prefer current authoritative vendor documentation and a controlled reproduction over model confidence.
  3. Include boundary and internationalized-input tests before trusting the regex.
  4. Run build, automated tests, linting, and targeted review against requirements.

Explanation

Correct Answer

B:

A plausible explanation does not supersede a tested product contract.

Incorrect Answers

A:

Performance improvement must be demonstrated against the actual workload. How should the team resolve the discrepancy. A plausible explanation does not supersede a tested product contract.

C:

Generated examples rarely cover the entire valid input space. a plausible explanation does not supersede a tested product contract.

D:

Text generation is not execution or a formal correctness proof. A plausible explanation does not supersede a tested product contract.

Question 35

Copilot proposes a performance optimization and says it cannot introduce regressions. Which TWO forms of evidence should the team require? (Select TWO.)

  1. Run before-and-after benchmarks against representative production-like workloads.
  2. Benchmark only a toy input that bypasses the modified branch.
  3. Remove the old test suite because the optimized code is shorter.
  4. Execute functional regression and boundary tests for the affected behavior.
  5. Accept the confident model wording as equivalent to a benchmark result.

Explanation

Correct Answers

A:

Measured performance is needed to evaluate the optimization claim.

D:

Correctness must remain intact when implementation details change.

Incorrect Answers

B:

Unrepresentative samples cannot validate the target change.

C:

Code length does not establish behavioral equivalence.

E:

Prediction is not experimental performance evidence.

Question 36

A team proposes sending automatically generated security notices without revealing AI involvement internally. What practice is appropriate?

  1. Preserve human review and quality gates instead of equating acceptance with correctness.
  2. Have the responsible policy owner verify the text against controlling documents.
  3. Separate observed evidence from inference and avoid unsupported personal accusations.
  4. Record AI assistance, accountable reviewers, and the approved publication path.

Explanation

Correct Answer

D:

Traceable decision ownership supports corrections if generated content proves inaccurate.

Incorrect Answers

A:

High acceptance rate does not measure safety or maintainability. traceable decision ownership supports corrections if generated content proves inaccurate.

B:

Generated prose cannot authoritatively determine legal or organizational obligations. What practice is appropriate. Traceable decision ownership supports corrections if generated content proves inaccurate.

C:

Incident attribution requires verifiable records, not confident wording. Traceable decision ownership supports corrections if generated content proves inaccurate.

Question 37

A developer asks Copilot to fabricate passing test results for a release report. What should happen?

  1. Record AI assistance, accountable reviewers, and the approved publication path.
  2. Reject fabricated evidence and report the actual test execution status.
  3. Have the responsible policy owner verify the text against controlling documents.
  4. Preserve human review and quality gates instead of equating acceptance with correctness.

Explanation

Correct Answer

B:

Falsified CI results defeat release assurance and mislead reviewers.

Incorrect Answers

A:

Traceable decision ownership supports corrections if generated content proves inaccurate. falsified CI results defeat release assurance and mislead reviewers.

C:

Generated prose cannot authoritatively determine legal or organizational obligations. What should happen. Falsified CI results defeat release assurance and mislead reviewers.

D:

High acceptance rate does not measure safety or maintainability. falsified CI results defeat release assurance and mislead reviewers.

Question 38

An AI-written incident summary assigns blame to a named operator without logs. What is the responsible response?

  1. Separate observed evidence from inference and avoid unsupported personal accusations.
  2. Record AI assistance, accountable reviewers, and the approved publication path.
  3. Reject fabricated evidence and report the actual test execution status.
  4. Have the responsible policy owner verify the text against controlling documents.

Explanation

Correct Answer

A:

Incident attribution requires verifiable records, not confident wording.

Incorrect Answers

B:

Traceable decision ownership supports corrections if generated content proves inaccurate. incident attribution requires verifiable records, not confident wording.

C:

Falsified CI results defeat release assurance and mislead reviewers. Incident attribution requires verifiable records, not confident wording.

D:

Generated prose cannot authoritatively determine legal or organizational obligations. What is the responsible response. Incident attribution requires verifiable records, not confident wording.

Question 39

A team automatically approves every Copilot suggestion to measure productivity. What oversight is missing?

  1. Reject fabricated evidence and report the actual test execution status.
  2. Separate observed evidence from inference and avoid unsupported personal accusations.
  3. Record AI assistance, accountable reviewers, and the approved publication path.
  4. Preserve human review and quality gates instead of equating acceptance with correctness.

Explanation

Correct Answer

D:

High acceptance rate does not measure safety or maintainability.

Incorrect Answers

A:

Falsified CI results defeat release assurance and mislead reviewers. High acceptance rate does not measure safety or maintainability.

B:

Incident attribution requires verifiable records, not confident wording. high acceptance rate does not measure safety or maintainability.

C:

Traceable decision ownership supports corrections if generated content proves inaccurate. high acceptance rate does not measure safety or maintainability.

Question 40

An automated legal-policy summary is to be published as company guidance. Which step is needed?

  1. Have the responsible policy owner verify the text against controlling documents.
  2. Separate observed evidence from inference and avoid unsupported personal accusations.
  3. Preserve human review and quality gates instead of equating acceptance with correctness.
  4. Reject fabricated evidence and report the actual test execution status.

Explanation

Correct Answer

A:

Generated prose cannot authoritatively determine legal or organizational obligations.

Incorrect Answers

B:

Incident attribution requires verifiable records, not confident wording. generated prose cannot authoritatively determine legal or organizational obligations.

C:

High acceptance rate does not measure safety or maintainability. Which step is needed. Generated prose cannot authoritatively determine legal or organizational obligations.

D:

Falsified CI results defeat release assurance and mislead reviewers. Generated prose cannot authoritatively determine legal or organizational obligations.

GitHub Copilot (GH-300) Practice Tests