Portfolio ↗

Quiz

2988 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 areas2988 Architecture Fundamentals91 Distributed Systems111 Data Architecture100 Cloud Architecture97 Networking96 API & Integration Architecture97 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

4 questions in Functional vs Non-Functional.

  1. Functional vs Non-Functional intermediate

    "Interview. Etsy has millions of sellers listing handmade items and buyers browsing and searching them. Give me the functional requirements in thirty seconds, then tell me which non-functional requirement actually determines the architecture, and why." How should a strong candidate answer?

    1 min answer nfrmarketplacesearchetsy
  2. Functional vs Non-Functional intermediate Multiple choice

    "Place an order" and "an order placed during the market open surge is acknowledged within 200ms at p99" — Zerodha needs both. Which one actually constrains the architecture, and why is that not obvious?

    1 min answer nfrzerodhatradinglatency
  3. Functional vs Non-Functional beginner Multiple choice

    A marketplace ships saved-search alerts. The functional spec is one sentence - email a seller when a new listing matches their saved query - and it works. Six weeks after launch, alerts arrive anywhere between 4 minutes and 9 hours after the listing appears, and nobody can say whether that is a defect, because no one wrote down how fresh an alert had to be. Which of these is the missing non-functional requirement?

    2 min answer non-functional-requirementsfreshnessquality-attributeconstraints
  4. Functional vs Non-Functional beginner Multiple choice

    A news organisation's site is functionally simple - editors publish articles and readers read them - yet its architecture is unusually elaborate. Which non-functional characteristic explains that, and what structure does it force?

    2 min answer nfrcachingcdnread-heavy