▸case-04 We are fitting out a new physical data center cage and need a complete cabling elevation diagram and physical rack layout plan for 10U of Dell PowerEdge servers, fiber patch panels, and top-of-rack Cisco Catalyst switches. Can you design the physical cable routing and pinout specs? | fail→fail | 28,461 | 26,316 | -8% | 1 | 1 | 0% | 5,205 | 6,353 | +22% | 0 | 0 | — |
▸case-01 We are building an e-commerce platform on AWS that needs to stay online even if an entire region goes down. Please lay out a high-availability design across two regions, provide the corresponding Terraform module code for the main infrastructure components, include a detailed cost breakdown, and list actionable steps to verify the deployment. | fail→pass | 29,195 | 29,511 | +1% | 1 | 1 | 0% | 6,203 | 6,933 | +12% | 0 | 0 | — |
▸case-02 Our company needs to process high-volume IoT telemetry data on Microsoft Azure in near real time. Can you design an event-driven serverless pipeline for this scenario, write the Bicep IaC files to provision it, detail the identity and encryption controls, and outline how we should set up logging and metrics monitoring? | fail→fail | 33,498 | 31,587 | -6% | 1 | 1 | 0% | 6,205 | 7,734 | +25% | 0 | 0 | — |
▸case-03 Our Spring Boot microservice running on EKS throws a NullPointerException in the OrderController.java class when processing orders under high load. Here is the Java stack trace and source code. Can you rewrite the Java code to fix the exception and optimize thread safety? | fail→fail | 11,458 | 11,290 | -1% | 1 | 1 | 0% | 1,781 | 3,434 | +93% | 0 | 0 | — |
▸case-05 We are negotiating our enterprise Microsoft Enterprise Agreement (EA) renewal and Oracle database licensing terms. Can you review our corporate procurement contract clause-by-clause and provide legal negotiation strategies to reduce software licensing liability? | fail→fail | 14,903 | 22,277 | +49% | 1 | 1 | 0% | 2,150 | 4,619 | +115% | 0 | 0 | — |
▸case-06 Our Google Kubernetes Engine (GKE) clusters in us-central1 are costing $45,000 monthly, with 65% of CPU requested remaining idle. We currently run standard N2 on-demand instances with manual scaling. How should we restructure our GKE node pools and workload configurations to cut costs by at least 40% without risking downtime? | pass→pass | 19,713 | 21,139 | +7% | 1 | 1 | 0% | 3,159 | 5,585 | +77% | 0 | 0 | — |
▸case-07 We need to connect 50 isolated AWS VPCs across 3 accounts to a central inspection VPC running virtual firewall appliances. The standard approach of peering every VPC creates a maintenance nightmare. What AWS network architecture solves this scalable transit requirement, and how do we enforce zero-trust routing? | fail→fail | 17,013 | 21,564 | +27% | 1 | 1 | 0% | 2,967 | 4,973 | +68% | 0 | 0 | — |
▸case-08 We are launching an electronic health record application on Azure that processes Protected Health Information (PHI). We need to satisfy HIPAA rules regarding data at rest, data in transit, identity management, and audit logging. Outline the required architecture, encryption parameters, and Bicep infrastructure code. | pass→pass | 53,402 | 27,670 | -48% | 1 | 1 | 0% | 6,196 | 6,767 | +9% | 0 | 0 | — |
▸case-09 Our financial trading reporting platform requires a failover recovery target of RTO under 15 minutes and RPO under 1 minute. Our primary database resides on AWS Aurora PostgreSQL. How do we establish a disaster recovery target on Google Cloud Platform while meeting these recovery metrics? | fail→fail | 18,801 | 20,745 | +10% | 1 | 1 | 0% | 2,942 | 4,842 | +65% | 0 | 0 | — |
▸case-10 We are refactoring an order fulfillment application that processes 10,000 orders per minute. We want to implement a CQRS event-driven pattern on AWS to separate order writes from query reads. What native AWS services should we wire together, and how do we prevent duplicate event processing? | pass→pass | 18,044 | 17,139 | -5% | 1 | 1 | 0% | 2,944 | 4,142 | +41% | 0 | 0 | — |
▸case-11 Our engineering team deploys 30 microservices to AWS EKS using imperative Jenkins scripts, leading to configuration drift across Staging and Production. What GitOps architecture should we implement to ensure declarative, automated synchronization from GitHub repositories? | pass→pass | 18,199 | 22,129 | +22% | 1 | 1 | 0% | 3,080 | 5,523 | +79% | 0 | 0 | — |
▸case-12 Our security team requires that no engineer can deploy an S3 bucket with public access or an EC2 instance without an 'Environment' tag. How can we enforce these guardrails inside our CI/CD pull request workflows prior to running terraform apply? | pass→pass | 16,072 | 15,867 | -1% | 1 | 1 | 0% | 2,801 | 4,411 | +57% | 0 | 0 | — |
▸case-13 We need to connect our enterprise VMware data center in Chicago to our Azure VNet infrastructure with low latency and redundant private connectivity. What Azure networking architecture should we deploy to handle 5 Gbps traffic with automatic failover? | fail→fail | 21,657 | 23,922 | +10% | 1 | 1 | 0% | 3,458 | 5,266 | +52% | 0 | 0 | — |
▸case-14 Our customer-facing API relies on AWS Lambda functions written in Java 17. Users complain about 3-second latency spikes on cold starts, but provisioning continuous Provisioned Concurrency costs $800/month per function. How do we reduce cold starts while controlling cost? | pass→pass | 18,297 | 16,378 | -10% | 1 | 1 | 0% | 2,794 | 4,235 | +52% | 0 | 0 | — |
▸case-15 We have 50 TB of unstructured parquet files in AWS S3 and live streaming data in Google Pub/Sub. We want a unified analytical engine on GCP that can query both datasets directly without copying all S3 files to GCP first. What GCP architecture solves this? | pass→pass | 20,816 | 15,904 | -24% | 1 | 1 | 0% | 3,194 | 3,980 | +25% | 0 | 0 | — |
▸case-16 We are deploying an application on Azure Kubernetes Service (AKS). We need incoming HTTPS traffic routed to microservices with automatic TLS certificate provisioning and automated Route 53 DNS record updates. How should we configure ingress networking? | pass→pass | 18,656 | 16,415 | -12% | 1 | 1 | 0% | 3,378 | 4,595 | +36% | 0 | 0 | — |
▸case-17 Our media storage bucket on AWS S3 contains 500 TB of images. 80% of images are never accessed after 30 days, but 5% are unpredictably accessed months later. Our monthly S3 Standard bill exceeds $11,000. How should we configure lifecycle policies to minimize cost? | fail→fail | 24,582 | 14,759 | -40% | 1 | 1 | 0% | 3,081 | 4,047 | +31% | 0 | 0 | — |
▸case-18 We need to host 3 lightweight Python web microservices on Azure. We do not have a dedicated Kubernetes cluster operator team and want to pay $0 when traffic drops to zero overnight. Should we deploy Azure Kubernetes Service (AKS) or Azure Container Apps? | fail→pass | 11,802 | 15,696 | +33% | 1 | 1 | 0% | 1,827 | 3,464 | +90% | 0 | 0 | — |
▸case-19 We are migrating a legacy monolithic ASP.NET application hosted on-premises to AWS. We cannot afford a big-bang rewrite and must migrate endpoint by endpoint while routing user traffic seamlessly. What cloud architecture pattern and services enable this? | pass→pass | 17,882 | 18,836 | +5% | 1 | 1 | 0% | 2,743 | 4,743 | +73% | 0 | 0 | — |
▸case-20 We have an AWS Organization with 40 AWS accounts. Managing local IAM users and access keys in every account is a compliance violation. How do we centralize single sign-on using our corporate Okta identity provider? | pass→pass | 14,109 | 16,150 | +14% | 1 | 1 | 0% | 2,372 | 4,311 | +82% | 0 | 0 | — |
▸case-21 We run workloads across AWS EKS and Azure AKS. We want a unified vendor-neutral telemetry architecture that collects metrics, logs, and distributed traces without locking us into a single SaaS vendor. How do we deploy OpenTelemetry? | pass→pass | 23,824 | 20,129 | -16% | 1 | 1 | 0% | 4,207 | 4,996 | +19% | 0 | 0 | — |
▸case-22 Our single-instance MySQL database running on an EC2 instance in us-east-1a crashed yesterday, causing 4 hours of downtime for our SaaS app. What changes must we make to align with the AWS Well-Architected Framework Reliability Pillar? | fail→pass | 16,710 | 21,113 | +26% | 1 | 1 | 0% | 2,596 | 5,139 | +98% | 0 | 0 | — |