Troubleshoot Common Issues with the Code Life Cycle AT0-001 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   A Python script reads a file specified by the user. If the file does not exist, the script crashes with a `FileNotFoundError`. Which approach best resolves this runtime error?

   • AChange the file path to a hardcoded path that is guaranteed to exist.
   • BUse the `os.remove()` function to delete the file before reading it.
   • CIgnore the error by adding a semicolon at the end of the line.
   • DWrap the file-reading code in a `try`/`except` block and handle `FileNotFoundError` by displaying a friendly message.
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2. 7application · medium

   A developer has resolved a merge conflict in a file and staged it with 'git add'. They then run 'git commit' to complete the merge. What is the next step to ensure the merge is fully integrated?

   • ARun 'git status' to verify the merge is complete.
   • BRun 'git merge --continue' to finalize the merge.
   • CRun 'git push' to push the merge commit to the remote repository.
   • DRun 'git log' to review the merge commit.
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4. 8foundation · easy

   A Python script processes a list of numbers. During execution, it throws `IndexError: list index out of range` at the line `print(items[i])`. What does this error indicate?

   • AThe variable `i` is not defined.
   • BThe list `items` contains non-numeric values.
   • CThe list `items` is empty.
   • DThe value of `i` is outside the valid range of indices for `items`.
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5. 9foundation · easy

   During a merge, a file has a conflict with `<<<<<<< HEAD` showing `color: blue` and `>>>>>>> feature-branch` showing `color: green`. The team decides the final color should be `green`. Which action correctly resolves this conflict?

   • ADelete the file and recreate it with `color: green`.
   • BEdit the file to keep only `color: green` and remove all conflict markers.
   • CRun `git checkout --theirs` to keep the current branch's version.
   • DRun `git merge --abort` to cancel the merge and start over.
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6. 10expert · hard

   A developer is resolving a merge conflict in a Python file. The conflict is between two branches that both modified the same function. The developer wants to keep the changes from both branches, but the changes are in different parts of the function. What is the correct way to resolve this conflict?

   • ARun 'git checkout --theirs' to keep the other branch's version.
   • BChoose one branch's version of the function and discard the other.
   • CRun 'git checkout --ours' to keep the current branch's version.
   • DManually edit the file to integrate both sets of changes into the function, then remove the conflict markers.
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