Shastha Systems and Solutions Devops Engineer Interview Questions and Answers

Kubernetes architecture is a container orchestration platform that manages containerized applications across a cluster of nodes.

• Kubernetes follows a master-slave architecture with a master node and multiple worker nodes.

• Master node components include API server, scheduler, controller manager, and etcd.

• Worker node components include kubelet, kube-proxy, and container runtime (e.g. Docker).

• Pods are the smallest deployabl...read more

Types of instances in AWS include On-Demand Instances, Reserved Instances, and Spot Instances.

• On-Demand Instances: Pay for compute capacity by the hour or second with no long-term commitments.

• Reserved Instances: Reserve capacity for 1 or 3 years in exchange for a significant discount.

• Spot Instances: Bid on unused EC2 capacity and potentially save up to 90% compared to On-Demand prices.

CICD pipeline in Jenkins automates the process of building, testing, and deploying code.

• Jenkins is a popular automation server used for CICD pipelines

• CICD pipeline in Jenkins typically involves stages like build, test, deploy

• Jenkins plugins can be used to integrate with various tools for automation

• Pipeline scripts in Jenkins can be written in Groovy language