Infosys AWS Devops Engineer Interview Questions and Answers for Freshers

Q1. How lambda works?
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AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required.
• Lambda functions are triggered by events such as changes to data in an S3 bucket, updates to a DynamoDB table, or HTTP requests via API Gateway.

• Lambda functions can be written in languages like Node.js, Python, Java, and more.

• AWS Lambda automatically scales to handle the incoming ...read more
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Q2. What is VPC? Explain in detail
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VPC stands for Virtual Private Cloud, a virtual network dedicated to your AWS account.
• VPC allows you to create a logically isolated section of the AWS Cloud where you can launch AWS resources.

• You can define your own IP address range, create subnets, configure route tables, and network gateways within a VPC.

• VPC provides security by allowing you to control inbound and outbound traffic to and from your AWS resources.

• You c...read more
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Q3. What is a pod in K8s?
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A pod in K8s is the smallest deployable unit in Kubernetes, consisting of one or more containers that share resources.
• Pods are used to group containers that need to work together, such as a web server and a database.

• Pods share the same network namespace and can communicate with each other using localhost.

• Pods can be managed, scaled, and monitored as a single unit in Kubernetes.

• Each pod has a unique IP address within th
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Q4. EC2 Autoscaling, Load balancing
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Q5. What is terraform state file?
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Terraform state file is a file that stores the state of your infrastructure managed by Terraform.
• It keeps track of the current state of your resources in the cloud.

• Helps Terraform understand what has been created, modified, or deleted.

• It is used to plan and apply changes to your infrastructure.

• State file can be stored locally or remotely in a backend like AWS S3 or Terraform Cloud.
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Q1. Day to day activity
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Q2. If you know many things why do you want to go with only one?
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Q3. Most difficult situation handled in project
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Q1. Error that came across while pod creation
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Error encountered during pod creation can be due to various reasons such as incorrect configuration, resource constraints, network issues, or image availability.
• Check the pod configuration file for any syntax errors or misconfigurations

• Ensure that there are enough resources available on the cluster for pod creation

• Verify network connectivity and DNS resolution within the cluster

• Check if the container image specified in...read more
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How manage the code

Q1. Python in opps concept and c basics and also after joining tcs. I have worked on AWS devops project
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Q1. Question based on AWS services, GitHub, teraform
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Q1. Why should we hire you
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I have a strong background in AWS services, DevOps practices, and a proven track record of successfully implementing automation and improving efficiency.
• Extensive experience with AWS services such as EC2, S3, Lambda, and CloudFormation

• Proficient in DevOps tools like Jenkins, Docker, and Kubernetes

• Implemented CI/CD pipelines to automate software delivery processes

• Improved system reliability and scalability through infra...read more
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Q2. Good good good good
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Q1. Related to docker and kubernetes
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Q1. Salary negotiation and compensation
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Q1. Explain jenkins ci/cd flow
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Jenkins CI/CD flow automates the software delivery process from code commit to deployment.
• Jenkins pulls code from version control system

• Builds the code and runs automated tests

• If tests pass, deploys the code to a staging environment

• Manual testing is done in staging environment

• If approved, Jenkins deploys the code to production environment

• Logs and reports are generated throughout the process
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Q1. What is the salary expectancy
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