100% Free GitHub-Copilot Practice Test Questions and Answers 2026

Question 1

As a developer working on sensitive projects, you’re concerned about data privacy and how GitHub Copilot handles the data involved in generating code suggestions. You want to understand how Copilot protects your data and what happens to the code you write during the suggestion process. Which of the following statements correctly describe how GitHub Copilot handles data in its pipeline? (Select two)

A : GitHub Copilot uses differential privacy techniques to prevent the model from remembering specific data from individual sessions.

B : GitHub Copilot stores user credentials to provide personalized code suggestions

C : GitHub Copilot has access to the entire codebase in your private repositories at all times.

D : The suggestions generated by GitHub Copilot are always retained for future training of the AI model

E : GitHub Copilot only processes small snippets of code context rather than the entire project.

Answer: A,E

Question 2

Which statement correctly describes a limitation of GitHub Copilot Chat in the IDE when providing code suggestions or explanations?

A : GitHub Copilot Chat can only generate code for functions written in JavaScript and Python, limiting support for other programming languages.

B : GitHub Copilot Chat’s code suggestions may not account for custom variables or project-specific context unless the user provides this context in the prompt.

C : GitHub Copilot Chat suggestions are restricted to public repositories and cannot be used with private or internal repositories.

D : GitHub Copilot Chat can handle refactoring of entire large codebases, automatically restructuring code across multiple files in a single operation.

Answer: B

Question 3

You are working as a software developer, and your team has started using GitHub Copilot to assist in code writing. A team member is concerned about how Copilot uses private repositories for training purposes. You have been asked to clarify how GitHub Copilot interacts with user code and explain how it handles data security. Which of the following statements is correct regarding how GitHub Copilot works and handles data?

A : GitHub Copilot only uses the data from the files you are currently editing and doesn't store or learn from your code.

B : GitHub Copilot sends all user code to external servers outside of GitHub for processing and suggestion generation.

C : GitHub Copilot uses all data from public and private repositories to train its machine learning models.

D : GitHub Copilot does not store code or use your private repository data to retrain the underlying models.

Answer: D

Question 4

A junior developer in your team is using GitHub Copilot for auto-generating code. The developer raises concerns about potential copyright violations and security risks in the AI-generated code. What actions should your team take to mitigate these potential harms?

A : Rely entirely on GitHub Copilot’s built-in filtering mechanisms to avoid generating insecure or copyrighted code.

B : Train developers to carefully review AI-generated code for security vulnerabilities, licenses, and ensure compliance with internal policies before using it in production.

C : Immediately stop using GitHub Copilot, as it is impossible to ensure compliance with copyright and security requirements in AI-generated code.

D : Only allow senior developers to use Copilot, since they are more likely to identify potential harms related to copyright and security.

Answer: B

Question 5

You are leading a team of developers who frequently engage in code reviews. As the team grows, the code review process has become time-consuming and often bottlenecks the deployment pipeline. You want to use GitHub Copilot to help streamline the process by automating parts of it. Which of the following would be the most effective way to use GitHub Copilot in improving developer productivity during code reviews?

A : Using GitHub Copilot to automatically accept all changes and suggestions made by developers during the review process.

B : Relying on GitHub Copilot to detect and automatically fix bugs in the code under review without requiring human oversight.

C : Using GitHub Copilot to automate the process of identifying stylistic issues like spacing, naming conventions, and variable declarations but not complex logic errors.

D : Using GitHub Copilot to propose potential code improvements or suggest more efficient algorithms during code reviews, which reviewers can then evaluate.

Answer: D

100% Free GitHub GitHub-Copilot Practice Test Questions and Answers 2026