Posted on : 03 May, 2021, 07:42:53 AM
In today's era, the demand for DevOps skills is growing, and given this demand, the roles and responsibilities of DevOps Engineer and DevOps Professional are becoming more valuable worldwide. DevOps professionals have the expertise and deep knowledge with years of experience that the companies are looking for to help organizations with fast and reliable software delivery. Multinationals such as Amazon, Google, and Facebook have opened various positions for DevOps experts. However, like other industries, the DevOps market is highly competitive as well, and the questions asked by the interviewer in the DevOps interview cover a variety of challenging topics.
If you are one of those learners or candidates who have started preparing for DevOps roles in the IT industry, then you need to take some real preparation to break the challenging level to enter the DevOps field. Here, the Wissenhive prepared some of the most asked DevOps interview questions and answers that will help you nail the interview as a DevOps professional.
It is one of the newly emerging terms in the IT industry, emphasizing the communication and collaboration of both the software developers and the operations (deployment) team to accelerate the software product delivery faster while minimizing the failure release rate.
These are various phases, including the lifecycle of DevOps, and those are
The core principle or aspects behind DevOps are
Some of the technical benefits of using DevOps are
The main business benefits of using DevOps are
In Amazon Web Services or AWS,
The continuous monitoring process in DevOps is used for identifying, detecting, and reporting any threats or faults in the entire infrastructure system.
The role and responsibility of Amazon Web Services in DevOps are
There are mainly three important KPIs in DevOps, and those are
There are various types of HTTP requests included in DevOps, and those are
The most critical components of DevOps are:
Distributed Version Control System
Centralized Version Control System
A canary release refers to a pattern that helps in reducing the risk while introducing the new version of software into the environment of production. It makes it available in a certain controlled manner to a user sunset. Before making it accessible to the user set completely.
Vagrant is one of the most used open-source software products that is used for creating, building, managing, and maintaining the development environment of portable virtual software such as KVM, Hyper-V, Docker containers, VMware, VirtualBox, and AWS. Vagrant tries to simplify the virtualization of software configuration management to enhance productivity.
In DevOps, chef refers to configuration management and automation tools that let users automate tasks and processes across several servers and other organizational devices in simple steps. The framework designed is highly beneficial to organizations, companies, or businesses.
It is an acronym that describes four key creeds of DevOps methodology, and those are
There are manly four useful prerequisites used for the implementation of DevOps, which includes
The main configuration file in Nagios includes numerous directives that influence how the Nagios operates. The Nagios method and the CGIs interpreted the config file.
The main configuration file will be placed into the settings directory:
Trained developers working with the current branch and decided to work on something else & wanted to switch to another branch but don’t want to make any changes to the unfinished project; in this case, Git stash plays an important role. It takes the user’s modified tracked files with data and saves them in an unfinished change stack that can be edited and reapplied at any time.
There are some of the best practices that are implemented to make DevOps successful.
Here are some of the popular and prominent tools used in the monitoring network, and those are
If the user is working on an application and wanted to make some changes in the application, then the user has the opportunity to create a new branch and design or update the new feature on that branch.
There are several benefits of using Git, and those advantages are
Jenkinsfile is a text file and consists of the Jenkins pipeline definition that is checked into the repository source control.
Pom.xml files are mainly used to define dependency in Maven.
To build a backup file, backup your JENKINS_HOME directory periodically and for that copy the JENKINS_HOME directory, or can copy the job directory to clone or rename the directory or replicate a job.
Some of the popular and important plugin used in Jenkins are
Docker only runs on cloud and Linux platforms.
Test Automation or Automation testing refers to a process of automating the manual testing process of the system/application under various tests. It includes the different use of testing tools to create the test scripts, which do not require manual intervention and are executed repeatedly.
Some of the benefits of using automation testing are
The core elements of Continuous Testing are:
The configuration management helps in ensuring the product and system integrity throughout the lifecycle of the project by making the development or deployment process repeatable and controllable, therefore building a high-quality system or product. The main goals of configuration management processes are
There are mainly four different types of objects included in Nagios, and those are
Here, Wissenhive covered the top 50 DevOps interview questions with answers from freshers to experienced levels to give the candidate a strong idea about interview questions that they might encounter during the interview.
If you find this article helpful and looking for some platform to learn or enhance the DevOps skills from industry professionals, then enroll yourself in a DevOps certification course. Let us know your query and doubts in the comment box if you have any, and we will get back to you within 24 hours.
DevOps Interview Questions
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