Top 110+ DevOps Interview Questions and Answers for 2023

In addition to increasing your chances of securing a DevOps role, these interview questions for DevOps will also help you assess as well as enhance your current level of DevOps understanding. It is a development practice in which developers integrate code into a shared repository multiple times in a single day. This enhances the quality of the software as well as reduces the total time required for delivery. This answer according to me should begin by explaining the use of Dockerfile. Docker can build images automatically by reading the instructions from a Dockerfile.

  • In this way, Continuous Testing allows for high-quality and more frequent releases.
  • Almost 50% of enterprises spend over $1 million on a public cloud every year.
  • The main configuration file contains a number of directives that affect how the Nagios daemon operates.
  • The Edureka DevOps Certification Training course helps learners gain expertise in various DevOps processes and tools such as Puppet, Jenkins, Nagios and GIT for automating multiple steps in SDLC.
  • A node is a physical server or a virtual machine constituent of the Chef architecture.
  • But in this model, another issue is faced regarding communication between the Development team and operations team due to which there is a delay in the speed of production.

A Node represents a server and is typically a virtual machine, container instance, or physical server – basically any compute resource in your infrastructure that is managed by Chef. Remember, you have mentioned the word Recipe in your previous answer, so the next question in this Chef interview questions blog has to be related to Recipe. It is a very important question so make sure you go in the correct flow. Every node (or Puppet Agent) has got its configuration details in Puppet Master, written in the native Puppet language. These details are written in the language which Puppet can understand and are termed as Manifests.

Important Chef Interview Questions and Answers for DevOps Professionals

Fetches the changes of the branch from the remote repository and merges them with the local repository. Selenium RC (Remote Control) is a tool that helps in understanding test scripts and providing support for different programming languages like Ruby, PHP, Java, etc. DevOps monitors and analyzes information that displays the current status of the application. The varied benefits of DevOps include innovation, stability, functionality, and speed. TekSlate is the best online training provider in delivering world-class IT skills to individuals and corporates from all parts of the globe.

  • This answer according to me should begin by explaining the use of Dockerfile.
  • Now to run the new version of the instance we need to transfer the traffic from the old instance to the new instance.
  • The contents of the metadata.rb file provides hints to the Chef server to help ensure that cookbooks are deployed to each node correctly.
  • This is a method of continuous deployment that is commonly used to reduce downtime.

The connection of all these functions can be defined as a pipeline. This should ideally include backup, migration, and lifecycle management tactics to protect, optimize and eventually recover computing resources. Some environments chef certification devops may emphasize microservices software development tailored for virtual containers. Operations expertise must include extensive knowledge of systems management tools like Microsoft System Center, Puppet, Nagios and Chef.

Jenkins Master and Slave Architecture – A Complete Guide

A build is a method in which the source code is put together to check whether it works as a single unit. In the build creation process, the source code will undergo compilation, inspection, testing, and deployment. If you’re on the hunt for a DevOps job, you’re probably wondering what the interview process is like and what kind of interview questions employers might ask. Since this job requires a range of abilities, expect a combination of questions surrounding technical competency and DevOps culture.

In a distributed VCS, everyone in the team has their repository, which is a mirror of the central repository. Only when the changes have to be committed to the central system, do you need to be online. Selenium GRID is a tool that runs multiple test cases against different browsers and machines in parallel. Several nodes are not fixed in the grid, and it can be launched on various browsers and platforms. This is mainly an extension of selenium RC, but it supports all the latest browsers and many platforms. It is created to support vital web pages in which elements present on the page can change without reloading the page, and it directly calls the browser for automation.

Why is Continuous Testing important for DevOps?

All of the data in the chef-repo should be treated like source code. The Chef server stores cookbooks, the policies that are applied to nodes, and metadata that describes each registered node that is being managed by Chef. Nodes use the Chef client to ask the Chef server for configuration details, such as recipes, templates, and file distributions. In continuous testing, the process of executing the automated test is part of the software delivery process. It provides a centralized resource for container image discovery, distribution and change management, user and team collaboration, and workflow automation throughout the development pipeline.

devops chef interview questions

With personalized mentorship and an industry-recognized certification, you’ll be well-prepared for a successful DevOps career. A DevOps Engineer is a professional who combines expertise in software development, IT operations, and system administration to facilitate the adoption of DevOps practices within an organization. DevOps Engineers play a critical role in bridging the gap between development and operations teams to ensure the smooth and efficient delivery of software applications.

But for production purposes, you typically run chef-client to apply. Test Kitchen gives the ability for using different virtualization providers for creating a container or virtual machine instances locally. Both the workstation and the cloud are preferable options for creation of instances using the Test Kitchen.

devops chef interview questions

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