XYZ Software Devops Engineer Interview Questions and Answers

Q1. About Linux and AWS
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Q2. Python coding Test
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Q1. Deep dive in AWS
Ans. 
AWS is a cloud computing platform by Amazon offering a wide range of services for storage, computing, networking, databases, and more.
• AWS provides a wide range of services including EC2 (Elastic Compute Cloud), S3 (Simple Storage Service), RDS (Relational Database Service), and more.

• AWS offers scalability, flexibility, and cost-effectiveness for businesses of all sizes.

• AWS has a global infrastructure with data centers ...read more
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Q2. Deep dive in Terraform and Python
Ans. 
Terraform is an infrastructure as code tool, while Python is a versatile programming language often used for automation in DevOps.
• Terraform is used for provisioning and managing infrastructure resources in a declarative way.

• Python is commonly used for scripting, automation, and building tools in the DevOps ecosystem.

• Terraform can be integrated with Python scripts to enhance automation capabilities.

• Both Terraform and Py...read more
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Q1. What is VPC and its concepts?
Ans. 
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 instances.

• You can c...read more
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Q2. What are the two health checks when EC2 instance is launched?
Ans. 
The two health checks when an EC2 instance is launched are System Status Checks and Instance Status Checks.
• System Status Checks ensure that the underlying host system is healthy and reachable.

• Instance Status Checks ensure that the instance is running properly and can be accessed.

• Examples: System Status Checks may include checking network connectivity, while Instance Status Checks may include verifying system logs.
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Q3. What is difference between IAM group and IAM roles?
Ans. 
IAM groups are collections of IAM users, while IAM roles are permissions that can be assumed by users or services.
• IAM groups are used to manage permissions for multiple users at once

• IAM roles are used to delegate permissions to users or services

• IAM groups can contain multiple users, while IAM roles can only be assumed by one entity at a time
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Q1. They asked so many questions about Azure cloud as position was for Azure DevOps. What is PAAS and SAAS. Which services did you used in PAAS.
Ans. PAAS is Platform as a service. I use Azure App services, Azure functions, Azure cosmos DB, Azure devops services, Azure kubernetes services in PAAS
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Q2. What is difference between IAAS and PAAS ?
Ans. 
IAAS provides virtualized computing resources over the internet, while PAAS provides a platform for developers to build, deploy, and manage applications.
• IAAS offers virtualized infrastructure like virtual machines, storage, and networking, while PAAS offers a platform for developers to build, deploy, and manage applications.

• IAAS allows users to manage and control the infrastructure, while PAAS abstracts the underlying ...read more
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Q1. What is your salary expectation.
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Q2. What was your previous CTC ?
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Q3. What is your expected CTC ?
Ans. 
My expected CTC is based on industry standards, my experience, and the responsibilities of the role.
• Expected CTC is based on market research and industry standards for DevOps Engineers.

• Consideration of my experience, skills, and qualifications in determining the expected CTC.

• The responsibilities and scope of the role will also influence my expected CTC.

• Open to negotiation based on additional benefits or opportunities o
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Q4. Do you have all the proofs from previous organization like form 16, PF and salary slips ?
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Q1. About you your experience and communication skills
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Q1. Depends upon team leader Ask basics as well as the issue they are facing during their work.
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Q2. Especially Linux file system How to mount additional disk Booting process Docker file structure
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Q1. Second technical round is depends upon the TL he can ask your experience and issues
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Q2. And can ask questions about cloud AWS and azure
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Q1. Salary discussion
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Q1. What is your Strength?
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Overall ok It was 30 min duration

Q1. About experience in DevOps ?
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Q2. How do you approach to create a jenkins pipeline ?
Ans. 
To create a Jenkins pipeline, I follow these steps:
• Define the stages and steps of the pipeline

• Create a Jenkinsfile with the pipeline code

• Configure Jenkins to use the Jenkinsfile

• Test the pipeline and make necessary adjustments

• Integrate with version control for continuous integration

• Use plugins for additional functionality
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Q3. Syntax to print jenkins secrets ?
Ans. 
To print Jenkins secrets, use the syntax: printenv
• Use the 'printenv' command followed by the name of the secret to print its value

• Make sure to have the necessary permissions to access the secret

• Example: printenv MY_SECRET
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Q4. Creation of Docker image using Dockerfile ?
Ans. 
Dockerfile is a script that contains instructions to build a Docker image.
• Create a Dockerfile with instructions for building the image

• Use the 'docker build' command to build the image from the Dockerfile

• Example: FROM ubuntu:latest RUN apt-get update && apt-get install -y nginx

• Example: docker build -t myimage:latest .
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Q5. Difference between CMD and RUN in Dockerfile ?
Ans. 
CMD is used to specify the default command to be executed when a container is launched. RUN is used to execute commands during the build process.
• CMD is used to set the default command or parameters for the container

• RUN is used to execute commands during the build process to create the image

• CMD can be overridden by passing arguments to docker run command

• RUN executes the command and creates a new layer on top of the curr...read more
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Q6. Difference between Java and Nodejs ?
Ans. 
Java is a statically typed language while Nodejs is a runtime environment for executing JavaScript code.
• Java is compiled while Nodejs is interpreted

• Java is better for large-scale enterprise applications while Nodejs is better for real-time applications

• Java has a larger community and more libraries while Nodejs has a simpler and more lightweight architecture

• Java is used for Android app development while Nodejs is used f
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Q7. What is PaaS, IaaS & SaaS ?
Ans. 
PaaS, IaaS, and SaaS are cloud computing models that provide different levels of infrastructure and software services.
• PaaS (Platform as a Service) provides a platform for developers to build and deploy applications without worrying about infrastructure management.

• IaaS (Infrastructure as a Service) provides virtualized computing resources such as servers, storage, and networking.

• SaaS (Software as a Service) provides sof...read more
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Q8. What is DevOps ?
Ans. 
DevOps is a software development methodology that emphasizes collaboration and communication between development and operations teams.
• DevOps aims to streamline the software development process by breaking down silos between development and operations teams

• It involves using automation and continuous delivery to speed up the release cycle

• DevOps also emphasizes monitoring and feedback to ensure that software is reliable a...read more
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Q9. What is build in Java ?
Ans. 
Build in Java refers to the process of compiling source code into executable code.
• Build process involves compiling, testing, and packaging the code

• Java build tools like Maven and Gradle automate the build process

• Build artifacts can be JAR, WAR, or EAR files

• Build process can be customized using build scripts like Ant
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Testing you general IQ with aptitude exam along with java MCQ exams

Discussed about the projects done during engineering