Quiz

2988 questions of the kind that actually get asked — in interviews, in architecture review boards, and by the person who has to run the thing at 3 AM. Every answer states the trade-off rather than the slogan, and says when the obvious choice is the wrong one.

All areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 Reliability & Resilience99 Observability92 Performance & Capacity Engineering100 Security Architecture105 Cost Architecture & FinOps102 Business Architecture103 Architecture Communication102 Enterprise Architecture100 Legacy Modernization102 AI-Era Architecture106 Software Architecture & Engineering93 Architecture Patterns94 Architecture Decision-Making101 The Architect's Meta-Skills102 Delivery & Release Engineering103 Platform Engineering & Developer Experience102 Testing & Quality Architecture102 Data Platform Architecture98 Streaming & Real-Time Data103 Data Governance & Semantics91 Frontend & Experience Architecture101 Edge, Mobile & IoT98 Regulatory & Data Protection Architecture99 Assurance, Audit & Model Risk98

Difficulty Any beginner intermediate advanced

4 questions in Network Performance Tuning.

Quiz

A client library opens a new HTTPS connection for every request. One host sends 2,000 requests per second to a single destination endpoint. What breaks first, and in what order does everything else follow?

A content platform finds that transfers to distant clients achieve far less throughput than the available bandwidth. What are the causes and what tuning applies?

An internal API call takes 40 ms consistently while the server reports 2 ms of processing. Where is the time going?

An internal fleet is moving service-to-service calls from HTTP/1.1 behind an L4 load balancer to gRPC over HTTP/2. Sequence the migration and say which load-balancing property the team has just deleted.