1. Compute Models advanced

    A compute platform schedules GPU jobs with execution times ranging from minutes to weeks, where large jobs need many co-located accelerators. What happens if the scheduler uses simple first-come-first-served with best-fit packing?

    2 min answer schedulinggpufragmentationgang-scheduling
  2. Compute Models advanced

    A device-testing platform receives a burst of tens of thousands of test sessions after a major framework release. How should queues, worker pools, concurrency limits, resource classes, scheduling fairness and backpressure prevent capacity exhaustion?

    2 min answer browserstackschedulingfairnessqueueing
  3. Containers advanced

    A developer platform receives thousands of simultaneous builds after a popular framework release. How should build queues, worker pools, priority scheduling, concurrency limits, caching and backpressure prevent capacity collapse?

    2 min answer railwayrenderbuildsqueueing
  4. Containers advanced

    A developer-tools company runs enormous numbers of short-lived build and test containers where startup time dominates total runtime. Which container strategy decisions matter most?

    2 min answer containersimagesbuild-systemscaching
  5. Containers advanced

    An organisation with eight services and four engineers proposes adopting Kubernetes. Make the case against, then name what would change your mind.

    2 min answer kubernetescontainersgoogleover-engineering
  6. Edge Computing advanced

    A team proposes moving personalisation to edge functions to cut latency. When does that work and when does it backfire?

    2 min answer edgelatencystatecaching
  7. Edge Computing advanced

    An e-commerce product page has cacheable content, a personalised recommendation strip, a logged-in header and a live stock indicator. What runs at the edge and where does each piece of state live?

    3 min answer edgecloudflarecachingpersonalisation
  8. Edge Computing advanced

    Walk me through this one. An executive has read that a delivery network runs more than four thousand points of presence and wants product personalisation moved to the edge this quarter. You have fifteen minutes with them. What do you establish and what do you refuse?

    3 min answer edge-computingakamaidata-residencystakeholder-management
  9. Edge Computing advanced Multiple choice

    Which workloads genuinely belong at the edge, and which become harder there because of state, consistency, debugging or resource limits?

    2 min answer edgelatencystateworkers
  10. Kubernetes advanced Multiple choice

    A commerce platform runs many teams' services on Kubernetes and must survive flash-sale traffic without one team's workload harming another. What cluster and tenancy design should it use?

    2 min answer kubernetesmulti-tenancycellsresource-limits
  11. Kubernetes advanced Multiple choice

    A latency-sensitive service shows periodic latency spikes. CPU utilisation on the node is 40%. What do you check first?

    2 min answer kubernetesperformancethrottling
  12. Kubernetes advanced

    One service restarts unpredictably; another is slow with low CPU. Both run on Kubernetes. What are you looking at?

    2 min answer kuberneteslimitsthrottlingoom