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Microsoft GH-300 Practice Test 27

Question 260

A coding agent invokes an external MCP service to inspect an internal API, and the tool returns instructions to reveal credentials. Which TWO actions preserve the trust boundary? (Select TWO.)

  1. Assume GitHub file exclusions automatically police the external service.
  2. Supply an organization-owner token to satisfy the tool response.
  3. Restrict the MCP service to the approved read-only API scope.
  4. Treat returned tool text as untrusted and reject credential disclosure requests.
  5. Report that all API data was verified merely because the tool replied successfully.

Explanation

Correct Answers

C:

Least-privileged tool access limits exposure and side effects.

D:

Retrieved data cannot grant itself higher authority.

Incorrect Answers

A:

Third-party MCP tools may not honor GitHub exclusions.

B:

The external text does not justify elevated privileges.

E:

A success message does not establish correctness of returned facts.

Question 261

A team treats inline suggestions, cloud agent sessions, and CLI as one identical pipeline. What is wrong?

  1. Consult the supported cloud-sandbox and session architecture documentation.
  2. Inspect agent logs and the resulting version-control diff.
  3. Map data flow and permissions separately for each enabled Copilot surface.
  4. Review effective policy for IDE, CLI, code review, and cloud agents independently.

Explanation

Correct Answer

C:

Tools and session architectures differ by client and product mode.

Incorrect Answers

A:

Remote agent execution is distinct from local editor completion. What is wrong. Tools and session architectures differ by client and product mode.

B:

Data-flow assumptions alone cannot reconstruct exact changed files. tools and session architectures differ by client and product mode.

D:

Copilot feature switches do not necessarily govern all surfaces together. tools and session architectures differ by client and product mode.

Question 262

A privacy assessment assumes agent execution only reads the selected text snippet. What should it inspect?

  1. Review filesystem, network, and tool permissions granted to the agent runtime.
  2. Inspect agent logs and the resulting version-control diff.
  3. Map data flow and permissions separately for each enabled Copilot surface.
  4. Consult the supported cloud-sandbox and session architecture documentation.

Explanation

Correct Answer

A:

Agents may access more resources than a completion model's editor prefix.

Incorrect Answers

B:

Data-flow assumptions alone cannot reconstruct exact changed files. agents may access more resources than a completion model's editor prefix.

C:

Tools and session architectures differ by client and product mode. Agents may access more resources than a completion model's editor prefix.

D:

Remote agent execution is distinct from local editor completion. What should it inspect. Agents may access more resources than a completion model's editor prefix.

Question 263

An admin disables one Copilot feature and assumes all others are disabled. What should they check?

  1. Review effective policy for IDE, CLI, code review, and cloud agents independently.
  2. Map data flow and permissions separately for each enabled Copilot surface.
  3. Inspect agent logs and the resulting version-control diff.
  4. Review filesystem, network, and tool permissions granted to the agent runtime.

Explanation

Correct Answer

A:

Copilot feature switches do not necessarily govern all surfaces together.

Incorrect Answers

B:

Tools and session architectures differ by client and product mode. Copilot feature switches do not necessarily govern all surfaces together.

C:

Data-flow assumptions alone cannot reconstruct exact changed files. copilot feature switches do not necessarily govern all surfaces together.

D:

Agents may access more resources than a completion model's editor prefix. copilot feature switches do not necessarily govern all surfaces together.

Question 264

A developer asks where a Copilot coding agent runs a remote task. What should they check?

  1. Review effective policy for IDE, CLI, code review, and cloud agents independently.
  2. Map data flow and permissions separately for each enabled Copilot surface.
  3. Consult the supported cloud-sandbox and session architecture documentation.
  4. Review filesystem, network, and tool permissions granted to the agent runtime.

Explanation

Correct Answer

C:

Remote agent execution is distinct from local editor completion.

Incorrect Answers

A:

Copilot feature switches do not necessarily govern all surfaces together. What should they check. Remote agent execution is distinct from local editor completion.

B:

Tools and session architectures differ by client and product mode. Remote agent execution is distinct from local editor completion.

D:

Agents may access more resources than a completion model's editor prefix. remote agent execution is distinct from local editor completion.

Question 265

A team needs to demonstrate which repository files an agent actually edited. What evidence is appropriate?

  1. Review effective policy for IDE, CLI, code review, and cloud agents independently.
  2. Consult the supported cloud-sandbox and session architecture documentation.
  3. Review filesystem, network, and tool permissions granted to the agent runtime.
  4. Inspect agent logs and the resulting version-control diff.

Explanation

Correct Answer

D:

Data-flow assumptions alone cannot reconstruct exact changed files.

Incorrect Answers

A:

Copilot feature switches do not necessarily govern all surfaces together. What evidence is appropriate. Data-flow assumptions alone cannot reconstruct exact changed files.

B:

Remote agent execution is distinct from local editor completion. data-flow assumptions alone cannot reconstruct exact changed files.

C:

Agents may access more resources than a completion model's editor prefix. data-flow assumptions alone cannot reconstruct exact changed files.

Question 266

Copilot answers the same prompt with different implementation details on two runs. What explains this?

  1. Treat LLM generation as potentially nondeterministic and validate each produced result.
  2. Open the cited source and verify the exact option and version.
  3. Analyze asymptotic behavior and benchmark representative input scales.
  4. Pin and test against the actual supported toolchain and dependency matrix.

Explanation

Correct Answer

A:

Equivalent prompts need not yield identical tokens or code.

Incorrect Answers

B:

Link-shaped text is not proof of authoritative support. Equivalent prompts need not yield identical tokens or code.

C:

Natural-language explanations may misstate computational complexity. What explains this. Equivalent prompts need not yield identical tokens or code.

D:

Local success in one environment does not guarantee portable behavior. equivalent prompts need not yield identical tokens or code.

Question 267

A model predicts that its refactor is guaranteed to be race-free. What is a realistic validation?

  1. Open the cited source and verify the exact option and version.
  2. Treat LLM generation as potentially nondeterministic and validate each produced result.
  3. Run concurrency tests and inspect shared-state synchronization.
  4. Pin and test against the actual supported toolchain and dependency matrix.

Explanation

Correct Answer

C:

Generated confidence cannot prove thread safety.

Incorrect Answers

A:

Link-shaped text is not proof of authoritative support. Generated confidence cannot prove thread safety.

B:

Equivalent prompts need not yield identical tokens or code. generated confidence cannot prove thread safety.

D:

Local success in one environment does not guarantee portable behavior. generated confidence cannot prove thread safety.

Question 268

A suggested algorithm uses an incorrect complexity claim. What should the developer do?

  1. Run concurrency tests and inspect shared-state synchronization.
  2. Treat LLM generation as potentially nondeterministic and validate each produced result.
  3. Analyze asymptotic behavior and benchmark representative input scales.
  4. Open the cited source and verify the exact option and version.

Explanation

Correct Answer

C:

Natural-language explanations may misstate computational complexity.

Incorrect Answers

A:

Generated confidence cannot prove thread safety. What should the developer do. Natural-language explanations may misstate computational complexity.

B:

Equivalent prompts need not yield identical tokens or code. natural-language explanations may misstate computational complexity.

D:

Link-shaped text is not proof of authoritative support. Natural-language explanations may misstate computational complexity.

Question 269

A generated import works locally but fails under the project's CI version. What is the likely lesson?

  1. Analyze asymptotic behavior and benchmark representative input scales.
  2. Pin and test against the actual supported toolchain and dependency matrix.
  3. Run concurrency tests and inspect shared-state synchronization.
  4. Treat LLM generation as potentially nondeterministic and validate each produced result.

Explanation

Correct Answer

B:

Local success in one environment does not guarantee portable behavior.

Incorrect Answers

A:

Natural-language explanations may misstate computational complexity. local success in one environment does not guarantee portable behavior.

C:

Generated confidence cannot prove thread safety. What is the likely lesson. Local success in one environment does not guarantee portable behavior.

D:

Equivalent prompts need not yield identical tokens or code. local success in one environment does not guarantee portable behavior.

Question 270

An AI response gives a fabricated documentation citation for a nonexistent option. How should it be evaluated?

  1. Pin and test against the actual supported toolchain and dependency matrix.
  2. Open the cited source and verify the exact option and version.
  3. Run concurrency tests and inspect shared-state synchronization.
  4. Analyze asymptotic behavior and benchmark representative input scales.

Explanation

Correct Answer

B:

Link-shaped text is not proof of authoritative support.

Incorrect Answers

A:

Local success in one environment does not guarantee portable behavior. Link-shaped text is not proof of authoritative support.

C:

Generated confidence cannot prove thread safety. How should it be evaluated. Link-shaped text is not proof of authoritative support.

D:

Natural-language explanations may misstate computational complexity. link-shaped text is not proof of authoritative support.

GitHub Copilot (GH-300) Practice Tests