what is DevOps? What is CICD? why do we need DevOps? Why you choose DevOps? Mention the key aspects or principle behind DevOps? List out some of the popular tools for DevOps?
What is Linux? Name the person who developed Linux. What is BASH? Name the file that is used to automatically mount file systems? Explain top Command ? What is a Zombie Process? What is INODE and Process Id? Name the first process that is started by the kernel in Linux and what is its process id? Why /etc/resolv.conf and /etc/hosts files are used? What is SSH? How we can connect to a remote server via SSH. Difference between Soft and Hard links? Which command is used to check the size of file or directory? Which command is used to count the number of characters in a file? VIM Editor Modes? Which of the following vi commands is generally used to delete the current line? What is the pwd command? Name some Filtering Commands? Name the directory that contains configuration files in Linux. Maximum size (in bytes) of the filename in Linux can be? What should be the first line of shell script? what is the command to list running processes in Linux? Tell me some commands with their usecase?
What is AWS? What is IAM? What is S3? What is RDS? What is EC2? What is VPC? What is cLOUDWATCH? What is EC2 AutoScaling? What is CLOUD FRONT? What is AMI? Name some Security Services in AWS? Types of Loadbalancers? Difference between Classic & application Loadbalancer What is EFS ? Difference between EBS & EFS s3 lifecycle policy? static website hosting using s3 Describe your project architecture ? What is private subnet and public subnet? what is NAT gateway ? can we mount s3 on ec2 instance? what are routing policy in rout53? What is Security SecurityGroup group What is the Port Number of NFS?
Difference between GIT merge and Rebase Difference between Git pull and fetch What is Git config Difference between Git clone and Git Mirror Command to push the commited code to git repo
What is maven? Maven Build phases? Maven Commands?
What is CI and CD flow of your project? your jenkis job should run once the developer commits the code in git ,how to do it ? what are the plugins you are used in your project? how to integrate Nexus/Jfrog with jenkins? Difference between Continous Delivery & Deployment?
What is Ansible? What is Configuration Management? Name some Ansible Modules With their Usage? What is Change Management? What is Playbook? What is Role? What is Inventory File? AdHoc Commands
difference between add and copy ? difference between CMD and entry point ? what is docker file ? how to check how many containers are running ? difference between overlay network and host network ? what is port forwarding in docker what is the use of it ? how to login/enter to a container? Command to Build Dockerfile to image? Docker Commands?
what is kubectl? what is API server? what is ETCD? what is Controller-manager? what is Kube-Scheduler? what is kube-proxy? what is Pod? what is Node? What is Service? What is Namespace? What is Secret? What is Kops? What are KubernetesObjects? how to check how many pods are running what is ingress difference between secret and configmap how to access other pods in a cluster what is a pod how you will make sure that the database should start first and then application Types of storage class used in your project describe kubernetes architecture 2 containers are running inside a pod if one container goes down then will it affect other running container Update the password in secret without restarting the pod or deployment ,is it possible ? how to rollback the deployment? pod is in pending state ,what are the possible reasons? how you will make sure that in rolling update strategy 2 pods are always available? why you are using 3 master node in production? how you will make sure that pod should be running on a specific node? how to get the ip of a pod ? how you are monitoring the kubernetes cluster and the containers