4.Explain what is DevOps ?

DevOps 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.

5.Which are the top DevOps tools? Which tools have you worked on?

Answer:

The most popular DevOps tools are:

Git: Version Control System tool

Jenkins: Continuous Integration tool

Selenium: Continuous Testing tool

Puppet, Chef, Ansible: Configuration Management and Deployment tools

Nagios: Continuous Monitoring tool

Docker: Containerization tool