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Interview Questions asked in JP Morgan
These questions are based on real-world experience and have been collected from various sources including the internet, YouTube, blogs, Glassdoor, LinkedIn, peers, and other industry platforms.
- How would you deploy a three-tier web application (frontend, backend API, relational DB) from local to production? What components and strategies would you use to ensure scalability and reliability ?
- Can you design the architecture for deploying UI and backend applications on Kubernetes? How would you manage configuration, scaling, and security ?
- What is the difference between kube-proxy and kubectl proxy commands in Kubernetes ?
- How do you approach troubleshooting latency issues in a distributed system ?
- Explain the Terraform lifecycle for deploying a new cluster on AWS. How would you write a Terraform configuration for provisioning an EC2 instance ?
- What AWS services have you used ? Describe your experience with Compute Instances, S3, Presto, EMR, Glue, Redshift, Load Balancers, and RDS.
- Steps to migrate on-premises data and ETL jobs to AWS Cloud.
- How would you optimize AWS costs in a scenario with unused S3 data and multiple on-demand instances ?
- Explain the entire process of CI/CD. What are the typical steps involved, and which tools do you use ?
- Can you create a GitHub branch protection rule using DevOps tools or infrastructure-as-code frameworks ?
- How do you ensure secure and compliant deployments in a regulated environment (e.g., finance or banking) ?
- What are the fundamental differences between Docker containers and Kubernetes pods ?
- Can you design a CICD pipeline that automatically builds, tests, and deploys Docker images to a Kubernetes cluster ?
- How do you give access to services in AWS, and what is a web application firewall ?
- Explain how network policies work in Kubernetes.
- How would you set up system monitoring and logging for a distributed architecture ? What tools have you used (Prometheus, Grafana, ELK stack, etc.) ?
- How do you perform incident detection and response ? Describe your approach to on-call rotations, SLOs, and system health checks.
- What is monitoring ? How do you make use of tracing, logs, and metrics in maintaining highly available systems ?
- How would you design and maintain highly available distributed system ?
- Explain your experience with incident management, monitoring, on-call duties, and escalation paths.
- Discuss tools and metrics you use for reliability (e.g., Prometheus, Grafana, alerting rules).
- Scenario: How would you troubleshoot a spike in latency in a production system ?
- Are there differences in SRE responsibilities versus traditional operations/DevOps engineers ?
- How would you approach securing a cloud-based deployment ? What are best practices for IAM, security groups, and data protection ?
- What are the steps for troubleshooting a critical software deployment in the cloud ?
- Discuss the difference between SQL and NoSQL databases and when to use each.
- How do you automate cloud infrastructure deployment and maintenance ?