Hotel Keys Devops Engineer Interview Questions and Answers

Q1. Design High Availability architecture in AWS?
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Q2. Disaster recovery in AWS?
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IT Java questions and also K8 question related to DevOps.

Q1. Explain the pipeline process in Jenkins
Ans. 
Pipeline process in Jenkins automates the software delivery process.
• Pipeline is defined as code in a Jenkinsfile

• It consists of stages, steps, and post actions

• Each stage can have multiple steps like build, test, deploy

• Pipeline can be triggered manually or automatically based on events
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Q2. Which deployment strategy have you used?
Ans. 
I have used blue-green deployment strategy in previous projects.
• Blue-green deployment involves running two identical production environments, with one active and one inactive.

• Switching between the two environments allows for zero downtime deployments and easy rollback in case of issues.

• I have implemented blue-green deployment using tools like Kubernetes and Jenkins in past projects.
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Q1. Explain migration process of Github to Azure Repos.
Ans. 
Migration process of Github to Azure Repos involves exporting repositories from Github and importing them into Azure Repos.
• Export repositories from Github using tools like Git or Github API

• Prepare repositories for migration by cleaning up and resolving any dependencies

• Import repositories into Azure Repos using tools like Azure DevOps Services or Git commands

• Update any references or configurations to point to the new Az...read more
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Q2. In docker, how will the containers communicate?
Ans. 
Containers in Docker can communicate through networking using bridge networks, overlay networks, or user-defined networks.
• Containers can communicate with each other using IP addresses and port numbers.

• Docker provides default bridge networks for communication between containers on the same host.

• Overlay networks allow communication between containers across multiple hosts.

• User-defined networks can be created for custom c...read more
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Q1. What are all the devops tools you have used in your application deployment?
Ans. 
I have experience with a variety of devops tools including Jenkins, Docker, Kubernetes, Ansible, and Terraform.
• Jenkins

• Docker

• Kubernetes

• Ansible

• Terraform
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Q2. What is snapshot in Maven?
Ans. 
Snapshot in Maven is a version of a project that is still in development and not yet released.
• Snapshots are versions of a project that are still in development and not yet released.

• They are identified by the suffix '-SNAPSHOT' in the version number.

• Snapshots can be deployed to a Maven repository for sharing with other developers for testing purposes.

• They are not intended for production use as they are subject to freque
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Q1. What is the size of you team and what was your role?
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Q1. Why did you leave your previous company?
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Q2. Why do you choose to work in our company?
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