SquareBoat Senior Devops Engineer Interview Questions and Answers

Q1. "Can you describe a complex system you have designed or worked on? what were the key architectural decisions you made?"
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Q2. "How do you mentor junior developers and contribute to team growth?"
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Q1. Find the duplicate items in the array.
Ans. 
Find duplicate items in array of strings.
• Iterate through array and store each item in a hash set.

• If item already exists in hash set, it is a duplicate.
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Q1. Javascript basics questions
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Sorry cant provide the details

Q1. On Amazon Web Services
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Q2. On DEVOPS like Jenkins etc......
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It was of 75 minutes. And Questions are related from Quantitative, logical reasoning and Coding.

DSA Questions were asked there

Q1. How to ensure continuous integration and delivery in DevOps.?
Ans. 
Continuous integration and delivery in DevOps can be ensured through automation, collaboration, and monitoring.
• Automate the build, test, and deployment processes to ensure code changes are integrated and delivered quickly and consistently.

• Use version control systems to track changes and enable collaboration among team members.

• Implement continuous integration tools like Jenkins, Travis CI, or GitLab CI to automatically ...read more
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Q2. By automating build, test, and deployment processing using CI/CD pipelines.
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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 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. 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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