Engineer Prompts for Performance GH-300 Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A developer is using GitHub Copilot Chat to debug a Python script that is throwing a `KeyError`. The developer first asks, "Why is this code failing?" and Copilot identifies the missing key in a dictionary. The developer then wants Copilot to fix the issue. What is the best follow-up prompt?

   • AFix the code to handle the missing key gracefully.
   • BRewrite the entire script.
   • CWhat is a KeyError?
   • DShow me the code again.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A developer is using GitHub Copilot Chat to work on a React component. In the first turn, they ask, "Explain the state management in this component." Copilot explains the `useState` and `useEffect` hooks. In the next turn, the developer wants to add a new feature that resets the state when a prop changes. What is the best follow-up prompt?

   • AModify the component to reset the state when the prop changes, using the hooks we just discussed.
   • BAdd a reset feature to the component.
   • CWrite a new component that resets state.
   • DHow does useEffect work?
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   How does GitHub Copilot use chat history to improve responses in a multi-turn conversation?

   • AIt ignores previous messages and treats each prompt independently.
   • BIt uses previous messages as context to understand the current request better.
   • CIt stores chat history only for debugging purposes, not for generating responses.
   • DIt only uses the most recent message and discards all earlier ones.
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   Which sequence correctly describes the prompt process flow for using GitHub Copilot?

   • ACraft the prompt, refine it, then test it.
   • BCraft the prompt, test it, and refine it based on the output.
   • CRefine the prompt, then craft it, then test it.
   • DTest the prompt, then craft it, then refine it.
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A developer is using GitHub Copilot Chat to refactor a legacy JavaScript file. In the first turn, they asked, "Explain what this function does." Copilot provided a detailed explanation. In the next turn, the developer wants Copilot to rewrite the function using modern ES6 syntax. How should the developer phrase the follow-up prompt to best leverage chat history?

   • ANow rewrite that function using ES6 syntax.
   • BGive me the ES6 version of the code.
   • CRewrite the function in the file using ES6 syntax.
   • DWhat is ES6 syntax?
   Reveal Solution Discussion Select an answer first