Coverage is primarily for backend systems; native mobile or web-specific design is limited. 💡 Verdict: Is it worth it?
System design interviews are notoriously ambiguous. Unlike a LeetCode problem with a clear "correct" answer, design questions are open-ended conversations. Alex Xu’s guide provides the structure many candidates lack. The 4-Step Framework system design interview alex hu pdf
While unofficial PDFs are sometimes hosted on platforms like Coverage is primarily for backend systems; native mobile
: Offers a repeatable 4-step process to tackle any design problem, helping candidates avoid getting "stuck". Coverage is primarily for backend systems
– After each chapter, whiteboard the system from memory. Practice explaining trade-offs aloud.