7EDGE Devops Engineer Interview Questions and Answers

It was of 75 minutes. And Questions are related from Quantitative, logical reasoning and Coding.

DSA Questions were asked there

Q1. Detailed discussion on the projects worked on
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Q1. Technical questions and answers
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Q1. Face to face interview
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Q1. General HR questions
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Q1. How do you ensure high availability and scalability in CI/CD pipeline?
Ans. 
Implementing redundancy, automation, and monitoring ensures high availability and scalability in CI/CD pipelines.
• Use load balancers to distribute traffic across multiple CI/CD servers, ensuring no single point of failure.

• Implement container orchestration tools like Kubernetes to manage scaling and availability of CI/CD components.

• Utilize cloud services (e.g., AWS CodePipeline, Azure DevOps) that offer built-in high ava...read more
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Q2. What is CI and CD?
Ans. 
CI (Continuous Integration) and CD (Continuous Delivery/Deployment) are practices that automate software development and release processes.
• CI involves automatically testing and integrating code changes into a shared repository.

• CD ensures that code changes are automatically deployed to production or staging environments.

• Examples of CI tools include Jenkins, Travis CI, and CircleCI.

• Examples of CD tools include Spinnaker,...read more
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Q1. What is Pipeline?
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Q2. What is the Jenkins and logs?
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Q1. What is CI/CD and how have you implemented it?
Ans. 
CI/CD stands for Continuous Integration and Continuous Deployment, streamlining software development and delivery processes.
• CI involves automatically testing and integrating code changes into a shared repository, e.g., using Jenkins or GitLab CI.

• CD automates the deployment of code to production, ensuring that new features are released quickly and reliably.

• Implemented CI/CD pipelines using tools like CircleCI, where cod...read more
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Q2. What is the difference between DOCKER and a virtual Machine?
Ans. 
Docker uses containers for lightweight virtualization, while VMs use hypervisors for full OS virtualization.
• Docker containers share the host OS kernel, making them lightweight and fast.

• Virtual Machines (VMs) run a full OS, including its own kernel, which consumes more resources.

• Docker starts in seconds, while VMs can take minutes to boot up.

• Containers are portable and can run consistently across different environments,...read more
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Q1. What is cloud?
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Cloud refers to on-demand computing resources and services delivered over the internet, enabling scalability and flexibility.
• Cloud computing offers three main service models: IaaS (e.g., AWS EC2), PaaS (e.g., Google App Engine), and SaaS (e.g., Microsoft 365).

• It provides scalability, allowing businesses to easily adjust resources based on demand.

• Cloud services can be public (e.g., AWS, Azure), private (dedicated infras...read more
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Q2. What is the Pipeline and Server?
Ans. 
A pipeline automates the software delivery process, while a server hosts applications and services.
• A pipeline consists of stages like build, test, and deploy, ensuring continuous integration and delivery.

• Example: A CI/CD pipeline using Jenkins to automate testing and deployment of a web application.

• A server is a physical or virtual machine that provides resources, data, services, or programs to other computers.

• Example:...read more
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Q1. "What are the key differences between continuous integration, continuous delivery, and continuous deployment in a Devops pipeline?
Ans. 
CI focuses on code integration, CD on delivery readiness, and Continuous Deployment automates release to production.
• Continuous Integration (CI): Automates code integration into a shared repository, ensuring early detection of issues. Example: Jenkins, Travis CI.

• Continuous Delivery (CD): Ensures code is always in a deployable state, allowing for manual release to production. Example: GitLab CI/CD.

• Continuous Deployment: ...read more
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Q2. Research the company culture before applying
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