Enhance Productivity and Code Quality GH-300 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which type of content can GitHub Copilot generate to document code?

   • AA list of all possible runtime errors
   • BA marketing description for the product
   • CInline comments explaining complex logic
   • DA full user manual for the application
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   A developer is updating legacy JavaScript code to use modern syntax. How can GitHub Copilot assist?

   • ABy suggesting modern syntax when the developer prompts it with a comment.
   • BBy running the code and detecting syntax errors.
   • CBy providing a migration guide from the official documentation.
   • DBy automatically converting the entire codebase without any input.
   Reveal Solution Discussion Select an answer first
4. 3application · easy

   A developer is building a REST API and needs to test the endpoint that returns user profiles. The API expects a JSON array of user objects with fields `id`, `name`, `email`, and `created_at`. The developer wants to create 10 realistic sample records to use in a local test script. What is the most efficient way to generate this data?

   • AAsk Copilot to generate the API endpoint code first.
   • BType a comment in the test file: '// Generate 10 sample user JSON objects with realistic names and emails' and accept the suggestion.
   • CWrite a script that generates random strings for each field.
   • DCopy sample data from a public API documentation website.
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A developer is reviewing a pull request that adds a new module to a C++ project. The module has several complex functions with no comments. The developer needs to understand the code quickly to provide a meaningful review. What is the most efficient way to use GitHub Copilot?

   • ARequest that the author add comments before reviewing.
   • BAsk Copilot to generate unit tests for the module.
   • CSearch the codebase for similar modules to compare.
   • DSelect the module's functions and ask Copilot Chat: 'Explain what each function does and its inputs/outputs'.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which feature of GitHub Copilot directly supports staying in the flow while coding?

   • AAutomatic deployment of code to production.
   • BA built-in terminal for running commands.
   • CInline code completions as you type.
   • DIntegration with external issue trackers.
   Reveal Solution Discussion Select an answer first