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Quiz

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

5 questions in Business Cases.

  1. Business Cases intermediate Multiple choice

    A capability is expected to add about £90k a month in gross margin once live. The team can ship it in five months, or in three months by adding two contractors at £25k a month each. Which number decides it?

    3 min answer cost of delaybusiness caseprioritisationfinance
  2. Business Cases intermediate

    A lift-and-shift business case moves a two-socket database server with 32 Intel Xeon cores running Oracle Database Enterprise Edition onto a 64-vCPU instance in an authorised cloud environment. Compute, storage and egress are modelled carefully and the case shows a small saving. Which line is missing, and how big is it?

    3 min answer oraclelicensingmigrationbusiness case
  3. Business Cases intermediate Multiple choice

    A manufacturer plans to replace a 14-year-old order-management system. Proposal A is a single two-year programme costing £2.6m with benefits of about £1.1m a year starting in year three. Proposal B is four slices of roughly £550k each where the first slice retires a licensed integration bus and releases about £420k a year from month seven. Group policy requires payback inside 24 months and capital is rationed this year. Which proposal should the architect put forward and what does the choice give up?

    2 min answer business-casespaybackfundingincremental-delivery
  4. Business Cases advanced

    An architect must justify a two-year modernisation programme with no new customer-facing features. What makes such a business case credible?

    2 min answer business-casemodernisationevidenceincremental-value
  5. Business Cases advanced

    Write the business case for replacing a component that works but is expensive to change.

    2 min answer business-casetechnical-debtevidenceoptions