DevOps & Cloud Interview Questions and Answers - Part 1
Episodes
Midnight Cleanup: Consolidation & Drift (Karpenter)
28 Feb 2026
Contributed by Lukas
SCENARIO: It's 2 AM, traffic is at 5%, but we have 50 nodes running at 10% utilization. Also, some nodes are running an old AMI from 3 months ago. How...
Unstuck: The Karpenter Lifecycle
26 Jan 2026
Contributed by Lukas
SCENARIO: You deploy a new ML training job requiring 8 GPUs, but pods are stuck in Pending. The K8s Scheduler logs show 'no nodes available'. Walk me ...
Migrate a stateful .NET app from Azure VMs to Azure Container Apps with zero downtime. Handle SQL Server Always On AG failover.
18 Sep 2025
Contributed by Lukas
Migrate a stateful .NET app from Azure VMs to Azure Container Apps with zero downtime. Handle SQL Server Always On AG failover. 🎓 Ideal for: Cloud...
Design Multi-Tenant Argo CD: SSO, Cluster Sharding & Namespace Isolation
10 Sep 2025
Contributed by Lukas
📌 Design multi-tenant Argo CD with SSO, cluster sharding, and namespace isolation for 100+ teams. 🎓 Ideal for: Cloud Engineers, DevOps Archite...
Implement Pod Security Admission for Legacy Apps with NET_RAW Using Kyverno
09 Sep 2025
Contributed by Lukas
📌 Implement pod security admission for legacy apps requiring `NET_RAW` capability. Use Kyverno mutation policies. 🎓 Ideal for: Cloud Engineers...
Cold start mitigation for Java 21 Lambda functions processing 50K RPS: Compare SnapStart vs. Provisioned Concurrency vs. native compilation.
01 Sep 2025
Contributed by Lukas
Cold start mitigation for Java 21 Lambda functions processing 50K RPS: Compare SnapStart vs. Provisioned Concurrency vs. native compilation. What Yo...
Diagnose “container not started” errors in a Kata Containers runtime environment with eBPF-based security profiles.
26 Aug 2025
Contributed by Lukas
Diagnose “container not started” errors in a Kata Containers runtime environment with eBPF-based security profiles. Ideal for: Cloud Engineers, ...
Implement S3 Object Lambda to dynamically redact PII from petabytes of legacy data without ETL jobs.
25 Aug 2025
Contributed by Lukas
Implement S3 Object Lambda to dynamically redact PII from petabytes of legacy data without ETL jobs. 🎓 Ideal for: Cloud Engineers, DevOps Archite...
Troubleshoot inter-region latency spikes in an AWS Global Accelerator setup with Direct Connect. Include VPC Flow Logs analysis.
25 Aug 2025
Contributed by Lukas
📌 Troubleshoot inter-region latency spikes in an AWS Global Accelerator setup with Direct Connect. Include VPC Flow Logs analysis. 🎓 Ideal for...
Architect zero-trust access to an Azure Kubernetes Service (AKS) cluster from on-prem legacy systems using Azure Arc and OPA Gatekeeper.
25 Aug 2025
Contributed by Lukas
📌 Architect zero-trust access to an Azure Kubernetes Service (AKS) cluster from on-prem legacy systems using Azure Arc and OPA Gatekeeper. 🌐 Fo...
Implement quantum-resistant encryption for data in transit between GCP regions using Kyber or Dilithium algorithms.
22 Aug 2025
Contributed by Lukas
📌 Implement quantum-resistant encryption for data in transit between GCP regions using Kyber or Dilithium algorithms. Detail key rotation. 🔐 Th...
Design a Multi-Cloud Active-Active Video Pipeline With Sub-100ms Latency
21 Aug 2025
Contributed by Lukas
Design a multi-cloud active-active video processing pipeline (AWS Elemental MediaLive + Azure Media Services) with <100ms E2E latency. How do you s...