Top DevOps Interview Questions
Below Top DevOps Interview Questions will help you to prepare and Crack your DevOps Interview.
1. What is DevOps?
Answer: DevOps is the value-added practice wherein the development, as well as operation engineers, work together from the initial point of designing a product to deployment in the markets.
2. Which methodology is DevOps related to?
Answer: DevOps is related to Agile methodology.
3. What are the benefits of DevOps?
Answer: The varied benefits of DevOps include innovation, stability, functionality, and speed.
4. What are the priorities in DevOps?
Answer: The priorities in DevOps include resource management, teamwork, and communication.
5. What is Git rebase?
Answer: Git rebase is a command which is designed to integrate the changes from one branch to another brand.
6. How is Git rebase different from Git merge?
Answer: Git rebase is different from Git merge because, in the case of Git rebase, the feature branch is transferred to the master branch’s ending point. However, in the case of Git merge, the merging adds to a new commit in the history wherein history does not change, but the master branch is changed.
7. Can we move or copy Jenkins from one server to another?
Answer: Yes, we can move or copy the Jenkins from one server to other. For instance, by copying the Jenkins jobs directory can be moved from the older server to the new server. This way, installation can be moved from one installation to another by copying in the corresponding job directory.
8. Can we make a new copy of an existing Jenkins job?
Answer: Yes, we can make a new copy of an existing Jenkins job by creating a clone of the directory in a different name.
9. How to secure Jenkins?
Answer: We can secure Jenkins by:
- Ensuring that global security is on
- Checking if Jenkins is integrated
- Making sure that the project matrix is enabled
- Automating the process of setting up rights and privileges
- Limiting physical access to Jenkins data
- Applying security audits regularly
10. What is Jenkins Pipeline?
Answer: Jenkins pipeline is a suite of plugins that supports the implementation and integration of Jenkins’s continuous delivery pipeline.
11. What is continuous integration?
Answer: Continuous integration, also known as a continuous delivery pipeline, includes functions of build, deploy, test, and release. It is a time-saving feature and builds jobs that are integrated and chain into a particular sequence.
12. What is the Major Difference between Ansible and Other Configuration Management Tools?
Answer: Ansible is an agentless tool because it does not require any kind of mandatory installations on the remote nodes.
13. What are Ad-hoc commands in Ansible?
Answer: Ad-hoc commands are a powerful but simple feature when it comes to Ansible. The ad-hoc commands are those, which can only be used for quick purposes, which you do not want to save for a later time. This may include checking the status of the server or copying a file to the server tasks that you just want to do quickly by only typing a few commands.
14. What is ask_pass in Ansible?
Answer: The ask_pass refers to control within Ansible Playbook. The controls for whether Ansible playbook to prompt a password by default. The behavior tends to be no: It is always set to ask_pass=True
In the event you are using SSH keys for authentication then you do not have to change the setting.
15. What are the Ansible Modules? Explain the different types.
Answer: Modules are the small units of code that perform a specific task. It can be used from the command line or in a playbook task. It helps to automate a wide range of tasks.
ansible webservers -m service -a “name=httpd state=installed”
ansible webservers -m ping
ansible webservers -m command -a “/sbin01/reboot -t now”
There are two types of modules in Ansible:
- Core modules: The core Ansible team maintains these modules, and it will ship with Ansible only. They receive slightly high priority for the requests than extras modules.
- Extras modules: Ansible itself ships these modules, but it can be shipped separately in the future. Non-core modules receive a lower response as compare to core modules.
Above Top DevOps, Interview Questions will help you to kickstart your DevOps Interview Preparation.
Being prepared for your technical interview is key. A couple of things you can do is not only have the above questions and answers properly practiced but you can come with realtime examples of your work. That often has a high impact, if you can show off your work via real functioning products. This could mean a personal project you did or maybe a project that you worked on while employed. Either way, the ability to showcase it and speak to it will do wonders. That way you can point to something and say, “This is what I did.”
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