IBM AWS Devops Engineer Interview Questions and Answers

Q1. Reg Docker, Kubernettes, and AWS
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Q1. Experience and skills set
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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?
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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?
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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