Devops Interview Questions and Answers

1.Explain what is DevOps?
It is a newly emerging term in IT field, which is nothing but a practice that emphasizes the collaboration and communication of both software developers and other information-technology (IT) professionals. It focuses on delivering software product faster and lowering the failure rate of releases.
2.List the essential tools used in Devops.
  • Git
  • Jenkins
  • Selenium
  • Puppet
  • Chef
  • Ansible
  • Nagios
  • Docker
  • Monit
  • ELK –Elasticsearch, Logstash, Kibana
  • Collectd/Collect
  • Git(GitHub)
3.What are the core operations of DevOps in terms of development and Infrastructure?
The core operations of  DevOps
  • Application development
  • Code developing
  • Code coverage
  • Unit testing
  • Packaging
  • Deployment With infrastructure
  • Provisioning
  • Configuration
  • Orchestration
  • Deployment
4. What are the advantages of DevOps with respect to Technical and Business perspective?
Technical benefits:
  • Software delivery is continuous.
  • Reduces Complexity in problems.
  • Faster approach to resolve problems
  • Manpower is reduced.
Business benefits:
  • High rate of delivering its features
  • Stable operating environments
  • More time gained to Add values.
  • Enabling faster feature time to market
5. The scope for SSH?
  • SSH is a Secure Shell which provides users with a secure, encrypted mechanism to log into systems and transfer files.
  • To log out a remote machine and work on command line.
  • To secure encrypted communications between two hosts over an insecure network.
6. Which are the areas where DevOps are implemented?
  • Production Development
  • Creation of the production feedback and its development
  • IT Operations development
7. List the agile methodology of DevOps.
  • DevOps is a process
  • Agile is same as DevOps.
  • Separate group for are framed.
  • It is problem solving.
  • Developers managing production
  • DevOps is development-driven release management

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