Iris Software Devops Engineer Interview Questions and Answers for Experienced

Q1. About RBAC , Kubernetes other techincal stuff
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Q1. Why DevOps is needed in an organisation?
Ans. 
DevOps is needed in an organization to improve collaboration between development and operations teams, increase efficiency, and deliver high-quality software faster.
• Improves collaboration between development and operations teams

• Increases efficiency in software development and deployment processes

• Helps in delivering high-quality software faster

• Automates repetitive tasks to reduce manual errors

• Facilitates continuous inte...read more
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Q2. What is the difference between ADD vs COPY?
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ADD and COPY are Dockerfile instructions used to copy files and directories into a Docker image, but they have some key differences.
• ADD allows for URLs and automatically extracts compressed files, while COPY only works with local files

• COPY is recommended for copying local files and directories into an image, while ADD is more versatile but can be less predictable

• ADD can be used to download files from the internet and a
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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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Hacker rank coding exercise

Q1. Architecture about project
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Q2. Container creation in terraform
Ans. 
Container creation in terraform involves defining a container resource in a terraform configuration file.
• Define a container resource in the terraform configuration file using the 'docker_container' or 'container' provider.

• Specify the image, name, ports, and other necessary configurations for the container.

• Run 'terraform init' and 'terraform apply' to create the container based on the defined configuration.
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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. PHP and JS Oops concepts
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Q1. Manager Round with technical questions
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Q1. Salary Negotiation, company policies etc...
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