Danske IT Devops Engineer Interview Questions and Answers

Q1. In k8s and onpremises
Ans. 
Kubernetes (k8s) is a container orchestration platform for managing containerized applications, while on-premises refers to running applications on local servers.
• Kubernetes (k8s) is used for automating deployment, scaling, and management of containerized applications.

• On-premises refers to running applications on local servers within an organization's own data center.

• Kubernetes can be deployed both on-premises and in th...read more
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Q1. Docker Kubernetes Terraform
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Q1. High level interview on linux kubernetes and docker
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Q2. General commands on Linux. How to check open port? What is network interface? Question related to subnetting
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Q3. What is docker How to build docker images
Ans. 
Docker is a containerization platform that allows you to package and run applications in isolated environments.
• Docker is an open-source platform that automates the deployment, scaling, and management of applications.

• It uses containerization technology to create lightweight, portable, and self-sufficient containers.

• Docker images are built using Dockerfiles, which are text files that contain instructions for building the...read more
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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
Ans. 
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. 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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