Cognizant Senior Devops Engineer Interview Questions and Answers

As a Sr Devops Engineer, my job role involves managing and improving the infrastructure, deployment pipelines, and automation processes to support development teams.

• Managing and maintaining infrastructure using tools like Terraform, Ansible, or Kubernetes

• Designing and implementing CI/CD pipelines for automated testing and deployment

• Monitoring system performance and troubleshooting issues

• Collaborating with development t...read more

Jenkins CI-CD pipelines are declared using Jenkinsfile and can be integrated with various plugins for additional functionality.

• Declare Jenkins CI-CD pipelines using Jenkinsfile in the root directory of the project.

• Integrate plugins like Git, Docker, Slack, SonarQube, etc., for specific functionalities.

• Use declarative syntax or scripted syntax in Jenkinsfile based on requirements.

• Configure stages, steps, post actions, a...read more

Use Terraform to create multiple EC2 instances

• Use Terraform's EC2 instance resource to define the instances

• Specify the number of instances using count parameter

• Use a for_each loop to create multiple instances with unique names and configurations

Playbook for spinning up a Tomcat server

• Install Java on the server

• Download and extract Tomcat

• Configure Tomcat server.xml file

• Start the Tomcat server

• Verify Tomcat is running

GitHub Actions is a CI/CD tool provided by GitHub for automating workflows and tasks in software development.

• GitHub Actions allows you to automate tasks like building, testing, and deploying code directly from your GitHub repository.

• You can create custom workflows using YAML files to define the actions to be taken based on events like push, pull request, or issue creation.

• GitHub Actions supports a wide range of program...read more

CI/CD pipeline automates the process of integrating code changes and deploying them to production.

• CI/CD stands for Continuous Integration/Continuous Deployment

• Automates the process of building, testing, and deploying code changes

• Helps in detecting and fixing integration errors early in the development cycle

• Uses tools like Jenkins, GitLab CI/CD, Travis CI, etc.

• Ensures faster delivery of code changes to production