Comprehensive architecture, system design, and scalability interview questions covering distributed systems, design patterns, and large-scale system architecture. Architecture Design Interview questions covering software architecture patterns and design principles: Easy: Monolithic vs. Microservices, REST vs. GraphQL, …

Easy-level scalability interview questions covering fundamental scaling concepts. Q1: What is scalability and why does it matter? Answer: Definition: System's ability to handle increased load by adding resources. Why It Matters: Handle growth without rewriting Maintain performance under load Cost-effective resource …

Hard-level scalability interview questions covering extreme scale, global distribution, and advanced optimization. Q1: Design a globally distributed database with strong consistency. Answer: Challenge: CAP theorem - can't have all three (Consistency, Availability, Partition tolerance). Two-Phase Commit (2PC): …

Medium-level scalability interview questions covering advanced scaling techniques and optimization. Q1: Explain database partitioning strategies. Answer: Horizontal Partitioning (Sharding) Range Partitioning: Hash Partitioning: Vertical Partitioning Q2: How do you handle database hotspots? Answer: Problem: Uneven data …