Interview Questions

System Design

103 practice questions across 15 subtopics. Pick a subtopic to start. Match questions to your role →

Requirements & Estimation 6 questions Scalability & Load Balancing 7 questions Caching 6 questions Databases & Data Modeling 6 questions Sharding & Replication 6 questions Messaging & Event-Driven 6 questions API Design 6 questions Consistency & CAP 6 questions Rate Limiting 6 questions Search & Indexing 6 questions Storage & CDN 6 questions Reliability & Fault Tolerance 6 questions Observability 8 questions Security at Scale 6 questions Common System Designs 16 questions