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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

5 questions in Cloud Pricing Models.

  1. Cloud Pricing Models beginner Multiple choice

    A CI platform launches a fresh virtual machine for every job. 40000 jobs a day each do about 25 seconds of real work, yet the compute line is roughly four times the total job time. Nothing is throttled and the instance family is correct. Where is the money going?

    2 min answer cloud-pricingbilling-incrementsciwaste
  2. Cloud Pricing Models intermediate

    A live-streaming platform at Twitch's scale is sizing the bandwidth bill for a new regional tier. Sustained outbound is 40 Gbps with peaks near 120 Gbps. Estimate the monthly cost on cloud list egress against a committed CDN contract, and say which assumption dominates the error.

    3 min answer twitchegresscdnbandwidth
  3. Cloud Pricing Models intermediate Multiple choice

    A media platform's workload is bursty rendering plus steady serving. Which pricing models fit which parts, and what is the common mistake?

    2 min answer pricingcommitmentsspotserverless
  4. Cloud Pricing Models intermediate Multiple choice

    A video catalogue is being modelled for a content delivery contract. Akamai's own documentation calls the share of requests served from its edge rather than from your origin "origin offload". Delivered volume is 400 TB a month and four levers are proposed. Which should the cost model say to do first?

    2 min answer akamaicdnorigin-offloadegress
  5. Cloud Pricing Models beginner

    From 1 February 2024 a major cloud provider began billing every public IPv4 address at roughly $0.005 per address-hour. Your estate runs about 2000 instances plus managed databases, load balancers and per-branch preview environments. Roughly what did that add per year, and what should change because of it?

    3 min answer cloud pricingipv4estimationorphaned resources