Meta Production Engineer Online Assessment Full Question Bank (2023–2025)

Got the Meta PE OA? Want to prepare with real questions and clear answers? This is for you.

This guide compiles 50+ real questions seen in Meta's Production Engineer Online Assessment (PE-OA) from 2023 to 2025.

It covers everything you need to pass the OA with confidence — from shell commands to kernel logging, from file permissions to network tracing, from cron jobs to ulimit edge cases.

✅ Linux shell & system internals
✅ File systems & permission logic
✅ Kernel behavior & process management
✅ DNS, IP/TCP basics, and traceroute concepts
✅ Sudo config, umask, symlink interpretation
✅ Real command-line use cases: stat, dmesg, strace, tcpdump, and more

This isn't a generic “interview cheat sheet” — it's built from authentic, battle-tested OA experience, designed to help you save time, skip guesswork, and pass with confidence.

🔧 Comes with:

• 50+ categorized questions (with answers)
• Concise explanations for each concept
• Available in PDF
• Ideal for terminal practice and mock OA simulations

🚀 Suitable for:

• Meta PE/SRE applicants
• FAANG infrastructure or operations roles
• DevOps and Systems Engineers
• Anyone preparing for shell-heavy technical assessments