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2948 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 areas2948 Architecture Fundamentals91 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking96 API & Integration Architecture87 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 Business Processes.

  1. Business Processes intermediate Multiple choice

    A food-delivery platform handles 220,000 orders a day. About 1.8% of orders raise a refund dispute. Automated rules settle most of them but 22% reach a human agent who spends roughly 9 minutes per case. A fully loaded agent costs about £38,000 a year and delivers about 1,500 productive hours. Roughly what does the manual tail cost per year?

    3 min answer process-automationestimationunit-economicsexception-handling
  2. Business Processes intermediate

    A manual onboarding process handles about 400 cases a month. Automation covers the standard path, and after six months roughly 20% of cases still go to a person because each has some exception. The team proposes automating the remaining exceptions. How should this be sequenced?

    2 min answer process automationexceptionslong tailoperations
  3. Business Processes intermediate

    A process takes eleven days end to end and involves four hours of actual work. What does that tell you and where do you look?

    2 min answer processflowhandoffswait-states
  4. Business Processes advanced Multiple choice

    A travel platform's booking process spans six systems and takes days to change. Where should the process logic live, and what is the trade-off?

    2 min answer business-processorchestrationworkflowcoupling