Security · interview question

What does a strong engineer do when reasoning through safe subprocess calls code?

Multiple choiceMediumchapter-17-curatedpremiumsecuritysafe-subprocess-calls

python

import subprocess

subprocess.run(["python", "worker.py", "--mode", "sync"], check=True)

Solve the symptom with comments only and avoid changing the code shape around safe subprocess calls.Delay clarity until production traffic reveals the edge case and then patch it under pressure.Narrate the data shape, the state changes, and the exact rule order step by step.Keep safe subprocess calls implicit so the script stays short and hope the next engineer infers the rule.

Answer and explanation

Correct answer

C. Narrate the data shape, the state changes, and the exact rule order step by step.

Why

Interviewers often use simple code to test whether you can reason through execution without bluffing.

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What does a strong engineer do when reasoning through safe subprocess calls code?

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