DevOps & Cloud Interview Questions and Answers - Part 1

devopsinterviewcloud

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الحلقات

  1. ٢٦ يناير

    Unstuck: The Karpenter Lifecycle

    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 through exactly what Karpenter does to resolve this, step by step. WHAT THEY'RE TESTING: K8s Scheduler vs Karpenter's role, the 4-step lifecycle THE ANSWER: • WATCH: Karpenter controller watches for pods marked 'unschedulable' by K8s scheduler • EVALUATE: Reads ALL constraints from Pod Spec:  - Resource requests (8 GPUs, memory, CPU)  - nodeSelector, nodeAffinity, tolerations  - Topology spread constraints • PROVISION: Calls AWS EC2 API to launch instance matching ALL requirements  - Selects p3.16xlarge (8 GPUs) in correct zone  - Applies NodePool's taints, labels, kubelet config • RESULT: Node joins cluster, K8s scheduler binds the pod → Key insight: Karpenter provisions, K8s scheduler still does final binding!

    ٣٩ من الدقائق

  2. ١٨‏/٠٩‏/٢٠٢٥

    Migrate a stateful .NET app from Azure VMs to Azure Container Apps with zero downtime. Handle SQL Server Always On AG failover.

    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 Engineers, DevOps Architects, SREs, Platform Engineers 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 https://www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٧ من الدقائق

  3. ١٠‏/٠٩‏/٢٠٢٥

    Design Multi-Tenant Argo CD: SSO, Cluster Sharding & Namespace Isolation

    📌 Design multi-tenant Argo CD with SSO, cluster sharding, and namespace isolation for 100+ teams. 🎓 Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٩ من الدقائق

  4. ٠٩‏/٠٩‏/٢٠٢٥

    Implement Pod Security Admission for Legacy Apps with NET_RAW Using Kyverno

    📌 Implement pod security admission for legacy apps requiring `NET_RAW` capability. Use Kyverno mutation policies. 🎓 Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٤ من الدقائق

  5. ٠١‏/٠٩‏/٢٠٢٥

    Cold start mitigation for Java 21 Lambda functions processing 50K RPS: Compare SnapStart vs. Provisioned Concurrency vs. native compilation.

    Cold start mitigation for Java 21 Lambda functions processing 50K RPS: Compare SnapStart vs. Provisioned Concurrency vs. native compilation. What You'll Learn: - Short and long-form explanations of cold start mitigation approaches - Strategies for ultra-high throughput Lambda (50,000 RPS) on Java 21 🌐 https://www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ٢٠ من الدقائق

  6. ٢٦‏/٠٨‏/٢٠٢٥

    Diagnose “container not started” errors in a Kata Containers runtime environment with eBPF-based security profiles.

    Diagnose “container not started” errors in a Kata Containers runtime environment with eBPF-based security profiles. Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers https://www.DevOpsInterview.Cloud

    ١٣ من الدقائق

  7. ٢٥‏/٠٨‏/٢٠٢٥

    Implement S3 Object Lambda to dynamically redact PII from petabytes of legacy data without ETL jobs.

    Implement S3 Object Lambda to dynamically redact PII from petabytes of legacy data without ETL jobs. 🎓 Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 https://www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٧ من الدقائق

  8. ٢٥‏/٠٨‏/٢٠٢٥

    Troubleshoot inter-region latency spikes in an AWS Global Accelerator setup with Direct Connect. Include VPC Flow Logs analysis.

    📌 Troubleshoot inter-region latency spikes in an AWS Global Accelerator setup with Direct Connect. Include VPC Flow Logs analysis. 🎓 Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 https://www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٦ من الدقائق

  9. ٢٥‏/٠٨‏/٢٠٢٥

    Architect zero-trust access to an Azure Kubernetes Service (AKS) cluster from on-prem legacy systems using Azure Arc and OPA Gatekeeper.

    📌 Architect zero-trust access to an Azure Kubernetes Service (AKS) cluster from on-prem legacy systems using Azure Arc and OPA Gatekeeper. 🌐 For full transcripts, diagrams & PDF downloads, visit: 👉 https://www.DevOpsInterview.Cloud 📥 Download our ebook: 100 Real-World DevOps & Cloud Questions

    ١٠ من الدقائق

  10. ٢٢‏/٠٨‏/٢٠٢٥

    Implement quantum-resistant encryption for data in transit between GCP regions using Kyber or Dilithium algorithms.

    📌 Implement quantum-resistant encryption for data in transit between GCP regions using Kyber or Dilithium algorithms. Detail key rotation. 🔐 This video explains how to secure inter-region traffic on Google Cloud using post-quantum encryption algorithms like Kyber and Dilithium, with a focus on designing a robust key rotation process. 🌐 Visit: https://www.DevOpsInterview.Cloud

    ١٨ من الدقائق

  11. ٢١‏/٠٨‏/٢٠٢٥

    Design a Multi-Cloud Active-Active Video Pipeline With Sub-100ms Latency

    Design a multi-cloud active-active video processing pipeline (AWS Elemental MediaLive + Azure Media Services) with 100ms E2E latency. How do you synchronize state across clouds? - Clear, actionable breakdowns of both short and in-depth solutions. - Proven state synchronization patterns to bridge AWS and Azure. 🎓 Ideal for: Cloud Engineers, DevOps Architects, SREs, Platform Engineers 🌐 Visit: https://www.DevOpsInterview.Cloud

    ٢٦ من الدقائق
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    DevOps & Cloud Interview Questions and Answers - Part 1