Most popular Devops interview questions answers for freshers and experience.
learn step by step for better futures.
1) What do you mean by DevOps?
DevOps is a software development methodology whose objective is to become a bridge GAP between the development and operational team of the Company. Its emphasis on the collaboration and communication of developers and other IT professionals.
Basically, it resolves all conflicts between OPS and the development team and main targets on fast software delivery with fewer failure rates.
2) List some of the key elements of DevOps?
a) Infrastructure as code
b) Automation
c) Monitoring
d) Security
e) Continuous deployment
f) Accelerating speed of delivering applications
g) Frequently learning improvement via feedback
h) Animated by Agile Process
i) Increase Deployment frequency
j) Lessen lead time between fixes
k) Eliminate disconnects
l) Real-time feedback loop concept
3) What do you mean by continuous Integration in DevOps?
Continuous integration acts as a secondary element of the Agile process. In this practice, developers continuously merge their code modification into a central repository and act as an integration phase of the software release process with an objective of monitoring bugs and quality improvement and reducing time delay of software release and validation.
4) What is the role of Amazon Web Services in DevOps?
AWS delivers services beneficial for DevOps practicing at the various organizations. This software automates entire manual tasks and team management in a complex environment and also assists engineers for maintaining high velocity and stability.
Some of the benefits provided by AWS are given below:
1) More programmable
2) Instant startup without installing.
3) Permits automation for efficiency.
4) Provide more security
5) No upfront fees and termination penalty
5) List out some popular tools for DevOps?
a) Ansible
b) Git
c) Jenkins
d) Donkers
e) Kubernetes
f) Nagios
g) Raygon
6) What are the benefits of continuous delivery on DevOps?
1) Raise the number of deliveries.
2) The risk of production failure decreases.
3) Diminish manual work.
4) Boost team confidence.
5) Enables the team member to automate entirely.
6) Permit rapid feedback.
7) What are the stages of DevOps?
a) Planning
b) Coding
c) Building
d) Testing
e) Deploying
f) Operating
g) Monitoring
8) What is the role of vagrant in DevOps?
Vagrant is the most impressive tool, used virtual box as the hypervisor for virtual environment and KVM management and in creating a testing environment.
It is an open-source tool permits the user to create a configuration file, the user-friendly command-line interface in less time and also improve wholly workflow of using the puppet.
9) Is DevOps is beneficial to developers?
Yes, it allows monitoring, detecting, fixing a bug, implementing advanced features more quickly and also facilitates clear interaction among team members.
10) What is version control?
A software system permits a team of the organization for source code modification over time. It continuously traces code modification and keeps a record of it in a database.
Moreover, it also examines errors and issues occur due to some modification.
a) Benefits of version control
b) Coordinating teams
c) Version tracking
d) Flexibility of work
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