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A plain-English guide to the difference between software architecture and software design — what each really is, how the two work together, and a simple reversibility test for telling them apart on any real decision.

A plain-English guide to software architecture — what it is, why it matters, the building blocks, the most common patterns, what architects actually do, the “-ility” qualities they design for, and the pitfalls to avoid.

500 pure system-design “design X” prompts across 10 themed chapters — the applied design questions panels actually pose in system-design interview rounds.

500 advanced-level architect interview questions across 10 themed chapters — judgment-under-uncertainty, scenario framing, and applied trade-off reasoning for senior and staff-level panels.

1000 intermediate-level architect interview questions across 10 themed chapters: fundamentals, OOP & patterns, system design, distributed systems, data, integrations, cloud/DevOps, security, non-functional, and leadership.

500 concise Architect-interview questions with clear answers, across 10 themed chapters: fundamentals, OOP & patterns, system design, microservices, databases, integrations, cloud/DevOps, security, resilience, and leadership.