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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

5 questions in Network Performance Tuning.

  1. Network Performance Tuning advanced

    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?

    2 min answer tcptime_waitephemeral portstls
  2. Network Performance Tuning advanced

    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?

    2 min answer tcp-tuningbandwidth-delay-productcongestion-controlakamai
  3. Network Performance Tuning advanced

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

    2 min answer networknaglelatencytuning
  4. Network Performance Tuning advanced

    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.

    3 min answer http2grpcload-balancingconnection-pooling
  5. Network Performance Tuning intermediate

    What happens when a load balancer closes idle connections after 60 seconds while the client's connection pool keeps them for 5 minutes?

    3 min answer keep-aliveidle-timeoutconnection-resetnat