Launch IT Consulting Devops Engineer Interview Questions and Answers

To setup infra through terraform in AWS, follow these steps:

• Create an AWS account and configure AWS CLI

• Write Terraform code to define infrastructure resources

• Initialize Terraform and create an execution plan

• Apply the execution plan to create the infrastructure

• Verify the infrastructure is created as expected

Dockerfile for a Node.js application

• Use a base image of Node.js

• Copy package.json and install dependencies

• Copy application code

• Expose the port used by the application

• Set the command to start the application

Log files can be transferred to AWS S3 using various methods.

• Use AWS CLI to transfer log files to S3

• Use AWS SDK to transfer log files to S3

• Use AWS Data Pipeline to transfer log files to S3

• Use AWS Lambda to transfer log files to S3

• Use third-party tools like Logstash or Fluentd to transfer log files to S3

Terraform, Packer, and Puppet are tools used in DevOps for infrastructure automation and configuration management.

• Terraform is used for infrastructure as code and automates the provisioning of infrastructure resources.

• Packer is used for creating machine images for multiple platforms from a single source configuration.

• Puppet is used for configuration management and automates the deployment and management of software and

MySQL-Aurora is a managed service while MySQL requires manual management. Ansible and Jenkins are both automation tools.

• MySQL-Aurora is a managed service provided by AWS, while MySQL requires manual management.

• MySQL-Aurora is more scalable and fault-tolerant than MySQL.

• Ansible is a configuration management tool that automates the deployment and management of software.

• Jenkins is a continuous integration and continuous d...read more

A scalable web application architecture with load balancing and fault tolerance.

• Use a load balancer to distribute traffic across multiple servers

• Implement fault tolerance by using multiple servers and a backup database

• Use a microservices architecture to break down the application into smaller, more manageable components

• Implement caching to improve performance

• Use a containerization platform like Docker to simplify deplo