Infosys AWS Devops Engineer Interview Questions, Process, and Tips

Q1. Error that came across while pod creation
Ans. 
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 aws vs verulation.

Q1. Nacl vs security group?
Ans. 
Nacl is a stateless firewall while security group is a stateful firewall in AWS.
• NACL operates at the subnet level, while security groups operate at the instance level.

• NACL rules are evaluated in order, while security group rules are evaluated independently.

• NACLs are stateless, meaning you must create rules for both inbound and outbound traffic, while security groups are stateful.

• NACLs are more flexible in terms of allo...read more
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Q2. Aws cloudformation
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Q1. Reason for change
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Q2. Salary discuss how much excellent
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Q1. How lambda works?
Ans. 
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?
Ans. 
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. Reg Docker, Kubernettes, and AWS
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Q1. Experience and skills set
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