Quiz

2627 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 areas2627 Architecture Fundamentals81 Distributed Systems101 Data Architecture90 Cloud Architecture77 Networking86 API & Integration Architecture78 Reliability & Resilience88 Observability81 Performance & Capacity Engineering90 Security Architecture85 Cost Architecture & FinOps82 Business Architecture93 Architecture Communication91 Enterprise Architecture91 Legacy Modernization82 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

77 questions in Cloud Architecture.

Quiz

You plan a regional failover. Name every dependency that must already exist in the second region for the plan to be executable, not just for traffic to be served.

A DR test fails: the secondary region cannot launch enough instances. What happened, and what standing checks prevent it?

A platform's cloud spend has grown faster than traffic for six consecutive quarters, with no single service responsible. What governance changes address this, and why do purely technical optimisations fail to hold?

Several 2023–2024 regional cloud outages were triggered by automated control-plane or configuration changes rather than by hardware failure or code deploys. How should change management, progressive rollout and control/data-plane independence be designed?

You inherit a cloud estate with one account, no tags, shared root credentials and no policy enforcement. What are your first three changes and in what order?

A live-learning platform expects a synchronised audience for a single scheduled class. How should video delivery, interactive features, enrolment and notifications be architected differently from each other?

A mobility platform must route API traffic, long-lived driver location streams and internal service calls. Which load-balancing layer suits each, and what breaks if one choice is applied uniformly?

Every deployment produces a small spike of 502s that the team has learned to ignore. Fix it.

A lift-and-shift migration produced a cloud bill 2.5 times the data-centre cost it replaced. What do you examine first and what is the fastest meaningful reduction?

A travel platform must migrate a large legacy booking system to cloud services without a big-bang cutover. Design the migration using a strangler approach, and identify what makes data the hard part.

You are asked to lead a migration of 300 applications to cloud. What happens in the first ninety days?

A design platform stores billions of user assets and rendered outputs, where a small fraction are accessed constantly and most are never accessed again after the first week. Design the storage architecture.