Iris Software Devops Engineer Interview Questions and Answers

Q1. Introduce yourself
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Q2. Write a CI/CD Pipeline code for a 3 tier application
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Q3. Difference between NSG and ASG
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Q1. How to ensure high available of eks cluster.
Ans. 
To ensure high availability of EKS cluster, utilize multiple availability zones, implement auto-scaling, use managed node groups, and set up monitoring and alerts.
• Utilize multiple availability zones to distribute workload and ensure redundancy.

• Implement auto-scaling to automatically adjust resources based on demand.

• Use managed node groups to simplify node management and ensure high availability.

• Set up monitoring and al...read more
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Q2. What are liveness and readiness probe
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Liveness and readiness probes are used in Kubernetes to check the health of containers.
• Liveness probe checks if a container is running and healthy. If it fails, Kubernetes restarts the container.

• Readiness probe checks if a container is ready to serve traffic. If it fails, Kubernetes stops sending traffic to the container.

• Probes are configured in the pod's YAML file using the 'livenessProbe' and 'readinessProbe' fields.

• ...read more
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Q1. What is Devops and how do you use
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DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency.
• DevOps focuses on automating and streamlining the software development process.

• It involves continuous integration, continuous delivery, and continuous deployment.

• DevOps aims to shorten the system development life cycle and provide continuous delivery of high-quality soft...read more
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Q2. Explain k8s in your infratsru
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K8s, short for Kubernetes, is a popular open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.
• Kubernetes automates the deployment, scaling, and management of containerized applications.

• It provides features like self-healing, load balancing, and rolling updates.

• Kubernetes uses declarative configuration files to define the desired state of the a...read more
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Q1. Review a provided code and explain it/correct it
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Review and explain/correct provided code
• Understand the purpose of the code

• Check for any syntax errors or logical mistakes

• Explain the code step by step

• Suggest improvements if necessary
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Q2. Docker, Kubernetes, Ansible
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Q1. Basics of Devops and scenerio based questions
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Q2. How you write a CICD using Jenkins for java based application
Ans. 
Setting up a CICD pipeline using Jenkins for a Java based application involves configuring Jenkins jobs for building, testing, and deploying the application.
• Install Jenkins and necessary plugins for Java projects

• Create a Jenkins job for building the Java application using Maven or Gradle

• Add a post-build step to run unit tests using tools like JUnit

• Configure Jenkins to trigger the job on code commits to the repository

• Se...read more
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Q3. Explain what happen in backend when you try to access any website
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When accessing a website, the backend server receives the request, processes it, retrieves data from databases or other sources, and sends a response back to the client.
• Client sends a request to the website's URL

• DNS resolves the domain name to an IP address

• Backend server receives the request and processes it

• Server retrieves data from databases or other sources

• Server generates a response and sends it back to the client
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Q1. Company fitment and package discussion
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Q1. What is meant by Devops?
Ans. 
Devops is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and productivity.
• Devops focuses on automating and streamlining the software development and deployment process.

• It emphasizes communication and collaboration between development and operations teams.

• Devops aims to shorten the development lifecycle and provide continuous delivery of high...read more
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Q1. What is meant by CI/ CD pipeline?
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CI/CD pipeline stands for Continuous Integration/Continuous Deployment pipeline, which automates the process of testing and deploying code changes.
• CI/CD pipeline automates the process of integrating code changes from multiple developers into a shared repository (Continuous Integration).

• It also automates the process of testing the integrated code and deploying it to production (Continuous Deployment).

• CI/CD pipelines hel...read more
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Q1. Easy questions about technical experience
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