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Quiz

2707 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 areas2707 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture87 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture95 Cost Architecture & FinOps92 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization92 AI-Era Architecture96 Software Architecture & Engineering84 Architecture Patterns84 Architecture Decision-Making91 The Architect's Meta-Skills92 Delivery & Release Engineering93 Platform Engineering & Developer Experience92 Testing & Quality Architecture90 Data Platform Architecture98 Streaming & Real-Time Data93 Data Governance & Semantics91 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk98
Difficulty Any beginner intermediate advanced

2707 questions.

  1. Business Capabilities intermediate

    A travel platform's teams describe their work as "search", "book", "pay", "support". Are these capabilities or processes, and why does the distinction matter architecturally?

    2 min answer capabilitiesprocessesstabilityboundaries
  2. Business Capabilities advanced

    How can a business-model choice create a technical constraint that nobody funds, and how should an architect surface that before it becomes an outage?

    3 min answer southwestbusiness-modeltechnical-debtcapability-mapping
  3. Business Capabilities intermediate Multiple choice

    What is the difference between a business capability and a business process, and why does it matter when drawing service boundaries?

    2 min answer capabilitiesprocessboundariesstability
  4. 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
  5. 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
  6. 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
  7. Business Cases advanced

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

    2 min answer business-casetechnical-debtevidenceoptions
  8. Business Continuity intermediate

    A business continuity manager asks for your disaster recovery plan. You give them the RTO/RPO matrix and they say it is not what they need. What is missing?

    1 min answer business-continuityresiliencebusiness-architecture
  9. Business Continuity intermediate

    A communication platform is business-critical for its customers' own operations. What does business continuity require beyond technical disaster recovery?

    2 min answer business-continuitydependenciescommunicationpeople
  10. Business Continuity intermediate

    A distributed commerce and logistics operation depends on physical infrastructure across many locations. How does business continuity planning differ from IT disaster recovery?

    2 min answer elasticruncontinuityphysicaldegraded-operations
  11. Business Continuity intermediate Multiple choice

    A marketplace's payment provider is not down. Authorisation p99 rises from 400 ms to 25 s and 12% of authorisations time out. The continuity plan states an RTO of 30 minutes and documents a failover to a second provider that takes 20 minutes and requires a named executive's decision. What actually happens in the first hour?

    3 min answer business-continuitydegraded-modepaymentsdeclaration-criteria
  12. Business Continuity advanced

    A ticketing platform expects 2 million buyers for a concert on-sale and receives 14 million requests, many from bots. How should waiting rooms, admission tokens, bot mitigation, fair queueing, inventory holds and user-facing status interact?

    3 min answer ticketmasterwaiting-roombotsfairness