Enhance Productivity and Code Quality GH-300 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which input method can GitHub Copilot use to generate a new code snippet?

   • AA natural language comment describing the desired functionality
   • BA voice command spoken to the editor
   • CA selection of code from another file
   • DA screenshot of the desired output
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2. 22expert · hard

   A developer is working on a Kotlin Android app and needs to implement a feature that uses a new API from an internal SDK. The SDK documentation is sparse, and the developer is unsure about the correct way to initialize the client. They want to avoid leaving the IDE to search for examples. What is the most effective way to proceed?

   • AGuess the initialization based on similar SDKs.
   • BType a comment describing the desired initialization and let Copilot suggest code, then verify with the SDK's source if needed.
   • CSearch the web for the SDK's usage examples.
   • DAsk a colleague for the initialization code.
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4. 23application · medium

   A team is migrating a legacy PHP codebase to a modern PHP version. The old code uses the `mysql_*` functions, which are removed in PHP 7. The team wants to update the code to use PDO while preserving the existing behavior. What is the best way to use GitHub Copilot for this task?

   • AAsk Copilot to generate a new PDO connection class from scratch.
   • BSelect a function that uses `mysql_query` and ask Copilot: 'Rewrite this to use PDO with prepared statements'.
   • CManually replace `mysql_query` with `mysqli_query` in every file.
   • DUse Copilot to generate documentation for the legacy functions.
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5. 24foundation · easy

   A developer wants to add documentation to a Python function. How can GitHub Copilot help with this?

   • ABy automatically translating the code into multiple languages.
   • BBy running the code and capturing the output to include in the documentation.
   • CBy generating a docstring based on the function's signature and body.
   • DBy creating a separate documentation file without any input from the developer.
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6. 25foundation · easy

   A developer selects a block of code and wants Copilot to suggest a refactoring that extracts a method. What is the most appropriate way to request this?

   • AWrite a comment above the selected code like '# extract this logic into a method' and then press Enter.
   • BDelete the selected code and type 'method' to get a suggestion.
   • CUse the 'Refactor' command in the Copilot menu to automatically extract the method.
   • DOpen a new file and ask Copilot to rewrite the entire codebase.
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