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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

6 questions in PCI-DSS Scoping.

  1. PCI-DSS Scoping advanced

    A commerce platform wants to reduce the systems in scope for payment card compliance. What architecture achieves that?

    2 min answer pcitokenisationscope-reductionsegmentation
  2. PCI-DSS Scoping advanced

    A merchant keeps card entry inside a provider-hosted iframe and believes its scope is minimal. Customer support uses a screen-sharing tool that can see and record the customer's browser during checkout, calls are recorded, and a session-replay script runs on every page for analytics. Review the arrangement.

    3 min answer pci-dssscopesession-replayscreen-sharing
  3. PCI-DSS Scoping advanced

    A payments platform wants to reduce the systems subject to card-data compliance. What actually reduces scope, and what does not?

    2 min answer razorpaypciscopetokenisation
  4. PCI-DSS Scoping advanced

    An e-commerce platform stores card numbers to support repeat purchases. How do you reduce PCI scope?

    2 min answer pcitokenisationscopepayments
  5. PCI-DSS Scoping intermediate

    An e-commerce site collects card details in its own form and posts them to a payment provider's API. What would you change and why?

    2 min answer stripepciscopesecurity
  6. PCI-DSS Scoping advanced

    Your first PCI assessment finds the whole estate in scope. How did that happen and how do you reduce it?

    2 min answer pcisegmentationcompliance