Free Practice GitHub GitHub-Copilot Exam Questions 2025

You are working on a Python project and want GitHub Copilot to generate a function that reads a CSV file and processes the data to calculate the average of a specific column. Your initial prompt is simply: "Write a function to read a CSV file and calculate the average of a column." However, Copilot's suggestions are either incomplete or inaccurate, failing to handle missing data or file errors. Which of the following revised prompts best follows prompt crafting best practices to get accurate and complete results from GitHub Copilot?

You are building a web application with GitHub Copilot and need to write a function to handle user authentication, ensuring it is secure. You notice that when you give a simple prompt like “write an authentication function,” Copilot generates a solution that uses outdated practices, such as storing plain-text passwords. You realize you need to refine your prompt to ensure Copilot suggests secure, up-to-date practices. Which of the following would be the best prompt to help GitHub Copilot generate a secure authentication function?

You are optimizing a function in your codebase that processes large arrays of user-provided data. You want to enhance its performance while ensuring security best practices, such as input validation and buffer overflow protection. GitHub Copilot provides several suggestions for improving the performance of this function. Which of the following suggestions provided by GitHub Copilot is the most appropriate for optimizing performance while ensuring the code is secure?

You are a developer who is concerned about how GitHub Copilot processes and stores your data, especially when you are working on sensitive projects. Your company handles confidential data, and you want to ensure that no private code or data is being shared or stored in ways that could compromise security. Which statement best describes how GitHub Copilot handles user data, including your code and suggestions?

You are developing an e-commerce application in JavaScript that interacts with a payment API. You want GitHub Copilot to generate a function that processes a payment, handles API errors, and logs the transaction ID if successful. Which of the following prompts is most effectively engineered to guide GitHub Copilot to generate correct and robust code?