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Microsoft GH-300 Practice Test 11

Question 100

A user mistakes a Copilot Chat response for an automatic change to the working tree. What should they do?

  1. Check whether an edit was actually applied, then inspect the working-tree diff.
  2. Review and selectively accept or edit the inline suggestion as supported by the IDE.
  3. Treat the suggestion as transient context-dependent assistance, not a saved repository change.
  4. Ask Copilot Chat to explain the selected code and relevant dependencies.

Explanation

Correct Answer

A:

Conversational code blocks alone do not establish that source files were changed.

Incorrect Answers

B:

Suggested text is optional and should be inspected before entering the codebase. conversational code blocks alone do not establish that source files were changed.

C:

Ghost text does not become source until the developer accepts it. What should they do. Conversational code blocks alone do not establish that source files were changed.

D:

A conversational request supports explanation and follow-up rather than only insertion. Conversational code blocks alone do not establish that source files were changed.

Question 101

A question about a function gives incorrect answers because only the function name was mentioned. What improves grounding?

  1. State the actual interpreter version and dependency constraints in the prompt.
  2. Select the target code span and describe the exact behavior under investigation.
  3. Attach or select the real implementation and relevant call sites in supported Copilot Chat context.
  4. Reference the intended file path and module alongside the class name.

Explanation

Correct Answer

C:

Explicit source context reduces reliance on guesses about the project.

Incorrect Answers

A:

Version constraints affect language and library availability. What improves grounding. Explicit source context reduces reliance on guesses about the project.

B:

Narrow relevant context improves the fit of analysis and reduces noise. explicit source context reduces reliance on guesses about the project.

D:

Precise paths prevent the assistant from using the wrong definition. explicit source context reduces reliance on guesses about the project.

Question 102

A developer asks Copilot about test failures but supplies no error output. What should be included?

  1. Select the target code span and describe the exact behavior under investigation.
  2. Add the failing assertion and representative stack trace after removing secrets.
  3. Attach or select the real implementation and relevant call sites in supported Copilot Chat context.
  4. State the actual interpreter version and dependency constraints in the prompt.

Explanation

Correct Answer

B:

Concrete failure evidence distinguishes actual code paths from conjecture.

Incorrect Answers

A:

Narrow relevant context improves the fit of analysis and reduces noise. concrete failure evidence distinguishes actual code paths from conjecture.

C:

Explicit source context reduces reliance on guesses about the project. Concrete failure evidence distinguishes actual code paths from conjecture.

D:

Version constraints affect language and library availability. What should be included. Concrete failure evidence distinguishes actual code paths from conjecture.

Question 103

A large repository has two classes with the same name. How should a chat prompt disambiguate them?

  1. Attach or select the real implementation and relevant call sites in supported Copilot Chat context.
  2. Reference the intended file path and module alongside the class name.
  3. Select the target code span and describe the exact behavior under investigation.
  4. Add the failing assertion and representative stack trace after removing secrets.

Explanation

Correct Answer

B:

Precise paths prevent the assistant from using the wrong definition.

Incorrect Answers

A:

Explicit source context reduces reliance on guesses about the project. Precise paths prevent the assistant from using the wrong definition.

C:

Narrow relevant context improves the fit of analysis and reduces noise. precise paths prevent the assistant from using the wrong definition.

D:

Concrete failure evidence distinguishes actual code paths from conjecture. precise paths prevent the assistant from using the wrong definition.

Question 104

A chat response assumes the project uses Python 3.9 but the runtime is Python 3.13. What is missing?

  1. Attach or select the real implementation and relevant call sites in supported Copilot Chat context.
  2. State the actual interpreter version and dependency constraints in the prompt.
  3. Add the failing assertion and representative stack trace after removing secrets.
  4. Reference the intended file path and module alongside the class name.

Explanation

Correct Answer

B:

Version constraints affect language and library availability.

Incorrect Answers

A:

Explicit source context reduces reliance on guesses about the project. Version constraints affect language and library availability.

C:

Concrete failure evidence distinguishes actual code paths from conjecture. version constraints affect language and library availability.

D:

Precise paths prevent the assistant from using the wrong definition. What is missing. Version constraints affect language and library availability.

Question 105

A Copilot Chat explanation targets the wrong `Account` class, and a proposed fix ignores the failing stack trace. Which TWO context additions are most useful? (Select TWO.)

  1. Hide the runtime version even though library behavior differs by version.
  2. Provide sanitized failing assertions and the essential stack trace.
  3. Supply a long unrelated build log without the error.
  4. Reference the actual class file path and the relevant call site.
  5. Ask the model to choose whichever `Account` class sounds familiar.

Explanation

Correct Answers

B:

Observed execution evidence narrows the suspected failure path.

D:

Specific symbols disambiguate competing repository definitions.

Incorrect Answers

A:

Missing environment constraints can invalidate a proposed fix.

C:

Unfocused context obscures rather than clarifies the task.

E:

Name similarity is not proof of source location.

Question 106

A request is to change a type name across multiple related files. Which workflow should be considered?

  1. Run the project tests and review the changed files before accepting the result.
  2. Use a supported multi-file edit or agent workflow and inspect its diff.
  3. Use plan-oriented interaction to review a proposed approach before implementation.
  4. Update the authoritative generator or source and regenerate output as required by the repository.

Explanation

Correct Answer

B:

Cross-file changes require coordinated updates rather than one inline completion.

Incorrect Answers

A:

An agent's completion message does not substitute for execution evidence. cross-file changes require coordinated updates rather than one inline completion.

C:

Planning separates design approval from execution in supported clients. Which workflow should be considered. Cross-file changes require coordinated updates rather than one inline completion.

D:

Direct edits to generated artifacts can be lost and create drift. Cross-file changes require coordinated updates rather than one inline completion.

Question 107

An agent proposes installing dependencies before fixing a failing test. What should the operator verify?

  1. Review the requested commands and permission approvals before execution.
  2. Use a supported multi-file edit or agent workflow and inspect its diff.
  3. Run the project tests and review the changed files before accepting the result.
  4. Update the authoritative generator or source and regenerate output as required by the repository.

Explanation

Correct Answer

A:

Agent tool actions can affect the environment beyond editing text.

Incorrect Answers

B:

Cross-file changes require coordinated updates rather than one inline completion. agent tool actions can affect the environment beyond editing text.

C:

An agent's completion message does not substitute for execution evidence. agent tool actions can affect the environment beyond editing text.

D:

Direct edits to generated artifacts can be lost and create drift. Agent tool actions can affect the environment beyond editing text.

Question 108

A developer needs a planned refactor before any files are changed. Which mode fits?

  1. Use a supported multi-file edit or agent workflow and inspect its diff.
  2. Use plan-oriented interaction to review a proposed approach before implementation.
  3. Review the requested commands and permission approvals before execution.
  4. Update the authoritative generator or source and regenerate output as required by the repository.

Explanation

Correct Answer

B:

Planning separates design approval from execution in supported clients.

Incorrect Answers

A:

Cross-file changes require coordinated updates rather than one inline completion. planning separates design approval from execution in supported clients.

C:

Agent tool actions can affect the environment beyond editing text. Which mode fits. Planning separates design approval from execution in supported clients.

D:

Direct edits to generated artifacts can be lost and create drift. Planning separates design approval from execution in supported clients.

Question 109

Agent mode rewrites code and reports success, but tests were not run. What is missing?

  1. Use plan-oriented interaction to review a proposed approach before implementation.
  2. Review the requested commands and permission approvals before execution.
  3. Run the project tests and review the changed files before accepting the result.
  4. Use a supported multi-file edit or agent workflow and inspect its diff.

Explanation

Correct Answer

C:

An agent's completion message does not substitute for execution evidence.

Incorrect Answers

A:

Planning separates design approval from execution in supported clients. an agent's completion message does not substitute for execution evidence.

B:

Agent tool actions can affect the environment beyond editing text. What is missing. An agent's completion message does not substitute for execution evidence.

D:

Cross-file changes require coordinated updates rather than one inline completion. an agent's completion message does not substitute for execution evidence.

Question 110

A codebase has generated and hand-edited files; an agent modifies generated output directly. What should be corrected?

  1. Use plan-oriented interaction to review a proposed approach before implementation.
  2. Update the authoritative generator or source and regenerate output as required by the repository.
  3. Run the project tests and review the changed files before accepting the result.
  4. Review the requested commands and permission approvals before execution.

Explanation

Correct Answer

B:

Direct edits to generated artifacts can be lost and create drift.

Incorrect Answers

A:

Planning separates design approval from execution in supported clients. direct edits to generated artifacts can be lost and create drift.

C:

An agent's completion message does not substitute for execution evidence. Direct edits to generated artifacts can be lost and create drift.

D:

Agent tool actions can affect the environment beyond editing text. What should be corrected. Direct edits to generated artifacts can be lost and create drift.

GitHub Copilot (GH-300) Practice Tests