If you are looking for DevOps Interview Questions and answers, you are on a Right page and below are the 2020 Real-time DevOps Interview Questions. Go through all of them and Crack your Interview.
Before diving into Interview questions learn more about DevOps by our blog What is DevOps?
1. What is DevOps?
The Term DevOps was Initiated by combining Operations and Development teams. DevOps is a mix of tools, that guide automation of complete Infrastructure. It is a mindset of IT, and it encourages, the communication and automation between developers and Certain IT operations.
2. Why do we need DevOps?
To get fast application development, and to meet the Requirments of users. DevOps is motivated by all agile processes, for automating the development, and operation processes. It helps in Delivering continuous applications to the end-users, for getting more benefits.
3. What are the Adoptions Devops In Industry?
1. Take a Smart Approach to Automation.
2. Emphasize Quality Assurance Early.
3. Adopt Iteratively.
4. Understand and Address Your Unique Needs.
5. Make the Most of Metrics.
6. Embrace a DevOps Mindset.
4. What are the key aspects of DevOps?
1.Automated Delivery Pipeline.
4.Automated Monitoring & Health Checks.
5.The Firefighter Role.
6.Infrastructure as Code.
5. How Would You Explain The Concept Of “Infrastructure As Code” (Iac)?
Infrastructure as code is the way how we manage Infrastructure, products such as Connection topology, Load balancers, Virtual Machines, Networks, with a Descriptive sample. That is by using the same version as DevOps, the team uses like source code. Infrastructure as code is defined to solve the issue of Environment.
6. What is the use of a chef in DevOps?
The chef is the best configuration management tool, to deal with machine setup on servers, virtual machines and in the cloud. So many companies utilize chef, software to manage their Infrastructure, that contains Facebook. The chef is made of ruby and Erlang programming languages.
[ Related Article – Explain Chef and its components? ]
7. What is the purpose of Git?
The main purpose of Git is to handle a project, with a combination of files, as they turn over time. It stores this information in a Data Design known as Repository. Git has a set of commit objects. It belongs to the third-generation version control tool.
8. How DevOps is Helpful to Developers?
It helps Developers to make fast decisions and complete Applications that a user needs. DevOps is a mix of tools, so many developers analyze the data by using this tool to get accurate data and complete the task in Specified Time. Developers get more benefits by using DevOps.
9. Name The Popular Scripting Language Of DevOps?
10. Name some Agile Methods in DevOps?
1.DevOps is a process.
2. Agile is the same as DevOps.
3. A separate group is framed.
4. It is problem-solving.
5.Developers managing production.
6.DevOps is a development-driven release management.
11. Which Are The Areas Where DevOps Are Implemented?
12.The Scope For SSH?
13. What AR the benefits Of Devops With reference to Technical And Business Perspective?
Software delivery is continuous.
Reduces Complexity in problems.
Faster approach to resolve problems
Manpower is reduced.
The high rate of delivering its features
Stable operating environments
More time gained to Add values.
Enabling faster feature time to market
14. What Are The Anti-patterns Of DevOps?
A pattern is a common usage usually followed. If a pattern usually adopted by others doesn’t work for your organization and you still blindly follow it, you’re basically adopting associate degree anti-pattern. There are myths about DevOps.
Some of them include:
15. Explain With A Use Case Where DevOps Can Be Used In Industry/ Real-life?
Their square measure several industries that square measure exploitation DevOps thus you’ll mention any of these use cases, you’ll conjointly refer the below example:
Etsy could be a peer-to-peer e-commerce web site centered on hand-crafted or vintage things and provides, furthermore as distinctive factory-manufactured things. Etsy struggled with slow, painful web site updates that regularly caused the positioning to travel down. It affected sales for millions of Etsy’s users who sold goods through online market place and risked driving them to the competitor.
With the assistance of a replacement technical management team, Etsy transitioned from its water model, which produced four-hour full-site deployments twice weekly, to a more agile approach. Today, it’s a totally machine-driven readying pipeline, and its continuous delivery practices have reportedly resulted in additional than fifty deployments on a daily basis with fewer disruptions.
16. What Is The Most Important Thing DevOps Helps Us Achieve?
According to Pine Tree State, the foremost necessary issue that DevOps helps the North American nation deliver the goods is to induce the changes into production as quickly as potential whereas minimizing risks in computer code quality assurance and compliance. This is the primary objective of DevOps.
For example clearer communication and higher operating relationships between groups i.e. both the Roman deity team and Dev team collaborate along to deliver sensible quality computer code that successively results in higher client satisfaction.
17. Which Are The Top DevOps Tools?
The most popular DevOps tools are mentioned below:
Git: Version Control System tool Jenkins: Continuous Integration tool Puppet, Chef, Ansible: Configuration Management and Deployment tools Nagios: Continuous Monitoring tool Docker: Containerization tool
[ Related Article – What is DevOps Tools? ]
18. Mention at what instance have you used the SSH?
According to the American state, the foremost necessary issue that DevOps helps U.S.A. attain is to urge the changes into production as quickly as potential whereas minimizing risks in code quality assurance and compliance. This is the primary objective of DevOps.
For example clearer communication and higher operating relationships between groups i.e. both the Ops team and Dev team collaborate along to deliver smart quality code that successively ends up in higher client satisfaction.
19. What is post mortem meeting with reference to DevOps?
Post mortem meeting is done to discuss. what went wrong and what steps you need to take in order to avoid failures.
20. What is the easiest method to build a small cloud?
VM is one of the most effective options for making the IaaS cloud from Virtual Box VMs in no time. if you want lightweight PaaS and then Dokku is a very good option because of bash script can be PaaS out of Dokku containers.
21. Name some of the areas where DevOps are implemented?
DevOps are used for Production and IT operations, production feedback, and its software development.
22. Explain Pair Programming with reference to DevOps?
Pair programming is associate degree engineering follow of utmost Programming Rules. In this methodology, 2 programmers work on a similar system, on a similar design/algorithm/code.
One computer user act as a “driver.” alternative acts as associate degree “observer” World Health Organization ceaselessly monitor the progress of a project to spot issues. The roles can be reversed at any point of time without any prior intimation.
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