Searce Cosourcing Services Devops Engineer Interview Questions and Answers

Hacker rank coding exercise

Q1. Questions were around Kubernetes deployments, autoscaling, networking, Terraform etc
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Q1. More on the problem solving questions
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Q1. About package and roles
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Q1. Why DevOps is needed in an organisation?
Ans. 
DevOps is needed in an organization to improve collaboration between development and operations teams, increase efficiency, and deliver high-quality software faster.
• Improves collaboration between development and operations teams

• Increases efficiency in software development and deployment processes

• Helps in delivering high-quality software faster

• Automates repetitive tasks to reduce manual errors

• Facilitates continuous inte...read more
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Q2. What is the difference between ADD vs COPY?
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ADD and COPY are Dockerfile instructions used to copy files and directories into a Docker image, but they have some key differences.
• ADD allows for URLs and automatically extracts compressed files, while COPY only works with local files

• COPY is recommended for copying local files and directories into an image, while ADD is more versatile but can be less predictable

• ADD can be used to download files from the internet and a
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Q1. What is Devops and how do you use
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DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency.
• DevOps focuses on automating and streamlining the software development process.

• It involves continuous integration, continuous delivery, and continuous deployment.

• DevOps aims to shorten the system development life cycle and provide continuous delivery of high-quality soft...read more
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Q2. Explain k8s in your infratsru
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K8s, short for Kubernetes, is a popular open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.
• Kubernetes automates the deployment, scaling, and management of containerized applications.

• It provides features like self-healing, load balancing, and rolling updates.

• Kubernetes uses declarative configuration files to define the desired state of the a...read more
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Q1. Introduce yourself
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I am a DevOps Engineer with 5 years of experience in automating, optimizing, and monitoring software development processes.
• 5 years of experience in DevOps

• Proficient in automating software development processes

• Skilled in optimizing and monitoring systems

• Strong knowledge of CI/CD pipelines

• Experience with tools like Jenkins, Docker, Kubernetes
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Q2. Write a CI/CD Pipeline code for a 3 tier application
Ans. 
A CI/CD Pipeline code for a 3 tier application
• Use a version control system like Git to store the application code

• Set up a CI tool like Jenkins to automate the build process

• Define stages in the pipeline for building, testing, and deploying each tier of the application

• Leverage tools like Docker for containerization and Kubernetes for orchestration

• Implement automated testing at each stage to ensure code quality and reliab
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Q3. Difference between NSG and ASG
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NSG stands for Network Security Group and is used to control inbound and outbound traffic to Azure resources. ASG stands for Availability Set Group and is used to ensure high availability of virtual machines.
• NSG controls traffic by setting rules for inbound and outbound traffic based on source and destination IP addresses, ports, and protocols.

• ASG groups virtual machines together to ensure high availability by distribu...read more
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Q1. Docker Kubernetes Terraform
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Q1. Architecture about project
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Q2. Container creation in terraform
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Container creation in terraform involves defining a container resource in a terraform configuration file.
• Define a container resource in the terraform configuration file using the 'docker_container' or 'container' provider.

• Specify the image, name, ports, and other necessary configurations for the container.

• Run 'terraform init' and 'terraform apply' to create the container based on the defined configuration.
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