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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

7 questions in Data Residency.

  1. Data Residency advanced

    A client says "our data must stay in country". What do you ask before designing anything?

    2 min answer residencycompliancerequirements
  2. Data Residency advanced

    A communications platform must keep customer data in-region for several markets. What does that actually require?

    1 min answer residencyregional-isolationroutingmetadata
  3. Data Residency advanced

    A delivery marketplace of Swiggy's shape serves five countries from two regions. Its India payments partner points at the Reserve Bank of India's directive of 6 April 2018 requiring payment system data to be stored only in India. Finance asks what a dedicated in-India cell would cost annually before the partnership is signed. Work the number and say what it rules out.

    3 min answer data-residencyrbicell-based-architectureunit-economics
  4. Data Residency advanced

    A global payroll platform must keep certain data within specific jurisdictions. What does that force into the architecture?

    2 min answer deelremoteresidencyregional
  5. Data Residency advanced

    A product must keep certain customers' data within specific jurisdictions. What are the architectural options, and which parts are hardest?

    3 min answer residencysovereigntypartitioningmulti-region
  6. Data Residency advanced

    An e-commerce group of Flipkart's shape runs an in-India cell for regulated payment data and an EU cell for everything else. A quarterly control test samples 500 rows from the EU warehouse and finds 38 carrying Indian cardholder identifiers. The routing layer is correct and the replication topology is correct. Where do you look and in what order?

    3 min answer data-residencytelemetry-leakagedata-classificationegress-control
  7. Data Residency advanced

    Six weeks before launch, legal confirms that customer data for one market must be processed and stored in-country. The architecture is single-region in another jurisdiction. What do you do?

    3 min answer residencyregulatoryarchitecturemigration