DevOps Interview Preparation

Questions) Q1) If data is tired in S3, what is the cost effective way to store it if sometimes it is frequently accessed and sometimes not? Ans) S3 Intelligent Tiering Q2) What are spot instances? Q3) If you have lost access keys to an server , how will you regain access? Q4) While using git push command , how to avoid giving password and username again and again? Ans) ssh-keygen -t rsa -b 4096 -c "" two keys: id-rsa id-rsa.pub Q5) How to design Jenkins pipeline script to support multiple environments? Ans) Use parameterized pipeline Use different stages block for different environments Q6) How to secure sensitive credentials in Jenkins pipeline? Ans) Credentials plugin Manage Jenkins Credentials with_Credentials([string(CredentialId:'my-api-token','variable':'API_TOKEN')]) Q7) How to avoid stucking of Jenkins pipeline? Q8) How to integrate Docker, Kubernetes,AWS with Jenkins pipeline #devopsinterview #devopsengineer #devops #devopsmadeeasy