▸case-10 We need a cross-cloud disaster recovery architecture between AWS primary and GCP secondary for a critical database. The team wants to manually export nightly database dumps via scp every 24 hours, but management requires an RPO of under 15 minutes and RTO of under 1 hour. Design the automated DR strategy. | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-16 We need to deploy a low-latency API handling millions of daily requests on AWS. The team is debating writing raw CloudFormation templates manually. Provide a modern IaC implementation using AWS CDK in TypeScript. | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-20 Developers frequently make emergency changes directly in the AWS Console, causing Terraform state files to fall out of sync and breaking CI/CD pipelines. Propose a drift detection and remediation workflow. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-07 We want to build a high-throughput video transcoding platform on AWS. A developer suggested running an EC2 Auto Scaling group with polling scripts on t3.medium instances 24/7. Design a serverless, event-driven alternative that scales down to zero when idle, and provide the infrastructure code and cost breakdown. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-17 A company running applications on AWS and GCP suffers from undetected outages because developers only look at basic CPU metrics. Design a multi-cloud observability framework covering metrics, logs, and distributed tracing. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-09 An enterprise wants to connect their on-premises data center to Azure Virtual Networks. A junior admin recommended setting up point-to-site VPN connections on individual developer laptops. Propose a resilient hybrid network architecture with redundant, high-availability dedicated connectivity, and detail the Bicep template. | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-18 A global news website hosted on a single AWS region in us-east-1 suffers high latency for European and Asian users. The team suggested spinning up full duplicate database stacks in 5 regions. Propose a cost-effective edge and caching architecture. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-03 I need a multi-region disaster recovery architecture on Azure for an enterprise application requiring an RTO of under 2 hours. Please deliver a comprehensive architecture overview, Bicep templates for cross-region failover infrastructure, a breakdown of potential cost trade-offs, and security controls following zero-trust principles. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-08 Our GCP monthly bill has spiked by 40% due to unoptimized Compute Engine VMs running 24/7 and unattached persistent disks. Prepare a FinOps optimization proposal with concrete cost reduction mechanisms, tagging strategies, and budget alerting configurations. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-06 We need a responsive React component for a navigation header bar. Write the JSX and CSS code for a sticky navbar with flexbox alignment and dark mode support. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-05 Our PostgreSQL database query `SELECT * FROM orders JOIN order_items ON orders.id = order_items.order_id WHERE orders.created_at > NOW() - INTERVAL '7 days'` is running slowly. Write the SQL execution plan analysis and index creation statements to optimize this query. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-11 We are launching a healthcare portal processing electronic health records (EHR) on AWS. A developer claims storing data in standard public S3 buckets with default IAM policies is sufficient. Specify the compliant architecture adhering to HIPAA security standards. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-19 A financial analytics company accumulates 50 TB of logs monthly in GCP Cloud Storage multi-regional buckets, resulting in thousands of dollars in storage fees. Design an automated lifecycle tiering and data lake storage strategy. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-13 Our microservices running on Azure Kubernetes Service (AKS) communicate over plain HTTP without authentication inside the cluster network because 'the VNet is private'. Design a zero-trust network and identity architecture for service-to-service communication. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-22 Our GKE clusters run hundreds of pods with no resource requests or limits configured, causing frequent OOMKills and unpredictable node autoscaling bills. Design a container resource optimization strategy. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-14 An e-commerce platform on GCP Cloud SQL for MySQL experiences database connection exhaustion and high latency during flash sales. The team proposes doubling instance size continuously. Provide an architectural solution leveraging caching, read replication, and connection management. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-15 Engineers are provisioning unencrypted S3 buckets and public EC2 instances directly via Terraform. Design an automated policy-as-code compliance pipeline to block non-compliant IaC commits before deployment. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-12 Our team manages 10 EKS clusters across multiple regions manually using `kubectl apply` from local laptops. Propose an automated Infrastructure as Code and GitOps deployment methodology to manage cluster configuration deterministically. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-01 We are launching an event-driven payment processing pipeline on AWS that needs to handle sudden traffic spikes without incurring high idle server costs. Please provide a full architectural design, complete with Terraform code for the infrastructure, an itemized monthly cost estimate, built-in IAM security policies, and an observability blueprint for monitoring system health. | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-21 A startup needs to store credit card data in AWS and achieve PCI-DSS compliance. They plan to store primary account numbers (PAN) unencrypted in RDS for easy database querying. Design a secure payment vault architecture. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-02 Our team needs to migrate a monolithic Java API to a microservices framework on Google Cloud. Can you map out a recommended GKE deployment strategy, provide the declarative deployment manifests, outline FinOps recommendations for optimizing node pool costs, and document the key trade-offs and disaster recovery considerations? | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
▸case-04 We are converting a Java monolith into microservices on Spring Boot. Write the Spring Boot Java controller and service layer code to process payment HTTP REST POST requests with input validation. | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |