TCS AWS Devops Engineer Interview Questions, Process, and Tips

Q1. Jenkins, CICD, kubernetes volume persistence
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Q1. Question based on AWS services, GitHub, teraform
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Q1. Basics of aws services
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Q2. Questions related to devops tools
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Q1. Basic salary expectation
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Q2. About notice period
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Q1. Tell me about your project
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Q2. What issues did you face while deploying the application
Ans. 
I faced issues with network connectivity, configuration errors, and dependency mismatches while deploying the application.
• Network connectivity issues causing deployment failures

• Configuration errors leading to incorrect application setup

• Dependency mismatches causing compatibility issues

• Resource constraints impacting deployment performance
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Q3. What are S3 life cycle rules
Ans. 
S3 life cycle rules automate the management of objects in S3 buckets based on predefined criteria.
• Automate the transition of objects to different storage classes based on age or other criteria

• Automatically delete objects after a certain period of time

• Reduce storage costs by moving less frequently accessed data to cheaper storage options
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Q4. What have you used to check the quality of the code written to deploy
Ans. 
I have used code reviews, automated testing, static code analysis tools, and continuous integration to check the quality of code.
• Code reviews by peers to catch bugs and ensure best practices

• Automated testing using tools like Selenium for functional testing and JUnit for unit testing

• Static code analysis tools like SonarQube to identify code smells and potential bugs

• Continuous integration with tools like Jenkins to autom
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Q5. What is Codepipeline used for
Ans. 
CodePipeline is a continuous integration and continuous delivery service for fast and reliable application and infrastructure updates.
• Automates the build, test, and deploy phases of your release process

• Supports integration with various AWS services like CodeBuild, CodeDeploy, and Lambda

• Allows for custom actions and third-party integrations

• Provides visualization of the entire release process with customizable dashboards
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Q6. How do you use blue green deployment and what it is
Ans. 
Blue green deployment is a deployment strategy where two identical production environments are used to minimize downtime and risk.
• Blue green deployment involves running two identical production environments, one 'blue' and one 'green'.

• Traffic is routed to the 'blue' environment while the 'green' environment is updated and tested.

• Once the 'green' environment is deemed stable, traffic is switched to it and the 'blue' env...read more
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Q1. What are your Salary expectations
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Q1. Python in opps concept and c basics and also after joining tcs. I have worked on AWS devops project
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How manage the code