Role
DevOps Engineer
Real interview questions with expert answers, plain-English explanations, and practical examples. (21 questions)
LTIMindtree
DevOps Engineer
Containers & Kubernetes
Explain Kubernetes Deployment strategies like RollingUpdate, Recreate, Blue/Green, and Canary, and discuss their trade-offs.
Mphasis
DevOps Engineer
Monitoring
How do you build an effective monitoring strategy for a new microservice architecture, integrating metrics, logs, and traces?
Netflix
DevOps Engineer
Containers & Kubernetes
How does Kubernetes manage application scaling, and what are the different scaling strategies you can implement?
LTIMindtree
DevOps Engineer
CI/CD
How do you ensure the security of a CI/CD pipeline, and what are the common vulnerabilities?
Microsoft
DevOps Engineer
Monitoring
How would you design a robust alerting system for a critical microservice, and what considerations are there for false positives and negatives?
Atlassian
DevOps Engineer
Linux
How would you diagnose and resolve high CPU utilization on a Linux server in a production environment?
VMware
DevOps Engineer
Containers & Kubernetes
How does Kubernetes actually achieve self-healing for containerized applications, and what are its core components involved?
Uber
DevOps Engineer
Authentication & Authorization
How would you secure communication and access between microservices, specifically considering service-to-service authentication and authorization?
Wipro
DevOps Engineer
CI/CD
Walk through a blue-green deployment, and why does it reduce downtime risk?
Honeywell
DevOps Engineer
CI/CD