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Quiz

2667 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 areas2667 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 Architecture86 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 Architecture88 Streaming & Real-Time Data93 Data Governance & Semantics81 Frontend & Experience Architecture91 Edge, Mobile & IoT88 Regulatory & Data Protection Architecture90 Assurance, Audit & Model Risk88
Difficulty Any beginner intermediate advanced

130 questions.

  1. Test Pyramid Shapes beginner Multiple choice

    A team's pull-request suite has grown from 4 minutes to 26 minutes over a year, because every bug fix added a test and nothing was ever removed. No one has ever proposed deleting a test. What has the team given up, and which policy fixes it?

    2 min answer ci-feedback-timetest-budgetbatch-sizesuite-growth
  2. Test Pyramid Shapes beginner

    Two tests exercise the same line of code. One starts the process and drives the HTTP API; the other calls the function directly. Once you look at the failure signal rather than the code covered, what actually distinguishes them?

    2 min answer test-pyramidfeedback-loopdiagnosisci
  3. Third-Party Risk beginner

    A supplier provides an ISO 27001 certificate in response to your security assessment. What does the certificate actually tell you, and what does it not?

    3 min answer certificationthird-party-riskassurancescope
  4. Three Lines Model beginner Multiple choice

    Your payroll SaaS vendor emails its SOC 2 Type II report covering January to December. The risk committee marks the vendor risk as covered and closes the item. What has that report actually given you?

    3 min answer soc2third-party-riskcuecassurance
  5. Throughput beginner

    A team is asked to "make the system faster" for a delivery platform. What are they actually being asked, and why does the distinction change the work?

    1 min answer zeptolatencythroughputgoals
  6. Throughput beginner

    Why does making every request 30% faster often leave requests per second exactly where they were, and what did the optimisation actually buy?

    3 min answer throughputlittles-lawutilisationheadroom
  7. TOGAF beginner

    A team is told to build against a target architecture that was approved 20 months ago, in what the EA function called Phase C. Nobody has revised the document since, and two of its nine named products have been discontinued by their vendors. The Open Group's ADM runs a Preliminary phase and Phases A to H with Requirements Management at the centre. Which phase do organisations actually skip, and what does skipping it cost?

    3 min answer togafadmarchitecture-change-managementtarget-state
  8. Tool Calling beginner

    A team gives an assistant five tools. A task that needs four tool calls costs roughly six times a plain answer and takes about 9 seconds end to end, and the team expected the tools to be nearly free. What actually happens on each tool call?

    3 min answer tool-callingagent-looplatencytoken-cost
  9. Transformation Frameworks beginner

    A team runs 40 SQL scripts nightly, numbered 01 through 40 and executed in order by a shell script. Someone proposes adopting a transformation framework. A senior analyst pushes back - the scripts already run in the right order, so what does a framework actually add? What is the honest answer, and when is the analyst right?

    3 min answer dbtdependency graphenvironmentstesting
  10. Waste Elimination beginner Multiple choice

    A cleanup deletes 2000 orphaned volume snapshots whose reported sizes total 60 TB. On the next full invoice the snapshot line falls by about 5%. The snapshots really are gone and billing has caught up. Where is the saving?

    2 min answer wastesnapshotsbackupsstorage