The Tech Learn has comprised a list of top 20 DevOps Interview Questions and Answers for 2021. These are commonly asked DevOps Interview Questions. If you here with a purpose to prepare yourself for your interview session then The Tech Learn assures you to provide the best up-to-date Azure DevOps Interview Questions for freshers and experienced.
Write some popular DevOps tools?
Some of the most popular DevOps tools are as follows:
• Puppet
• Chef
• Docker
• Git
• Ansible
• Jenkins
• SeleniumWrite the different phases in DevOps?
The difference phases in DevOps are given below:
• Monitor
• Test
• Integrate
• Deploy
• Code
• Build
• Operate
• PlanWrite some of the Technical benefits of DevOps:
The Technical benefits of DevOps are mentioned below:
• Early detection and faster correction of defects
• Less complex problems to manage
• Continuous software deliveryWrite some of the Business benefits of DevOps.
The Business benefits of DevOps are mentioned below:
• Faster delivery of features
• Better collaboration and communication between the teams
• Stable operating environmentsMention some role of AWS in DevOps?
AWS has many roles in DevOps which are listed below:
• Flexible services
• Secure.
• Built for scale
• Automation
• Large partner ecosystemWrite three vital DevOps KPIs
The three important KPIs are as follows:
• Meantime to failure recovery
• Percentage of failed deployments
• Deployment frequencyWhich CLI commands is used to rename files?
We can use git mv commands to rename files in DevOps.
What do you know about DevOps?
DevOps means development and operations which is a software development phrase, usually supports to mean a kind of agile connection between IT operations and development.
What does CAMS in DevOps mean?
CAMS is usually used for explaining the core creeds of DevOps methodology. CAMS stand for Culture Automation Measurement Sharing.
What is the basic premise of DevOps?
DevOps is known as a cultural shift in which an operation and collaboration team work together during the service or product life cycle.
Which methodology is DevOps associated to?
DevOps is associated to Agile methodology.
Write the priorities in DevOps?
The priorities in DevOps are teamwork, communication and resource management.
Write are the advantages of Git?
Git has the following benefits:
• Data replication and redundancy
• Highly available
• Helps in collaboration
• Used for projects
• It uses only one Git directory per repository
• Helps in disk utilization
• Provide higher network performanceWhat is Git rebase?
It is a command which is intended for integrating the changes from one branch to another branch.
What are the benefits of Ansible tool?
The advantages of the Ansible tool are:
• Task automation
• Application deployment
• Configuration managementDefine continuous integration?
Continuous integration is a feature which saves time and responsible for job building. It is also known as the continuous delivery pipeline which includes functions of test, build, release and deploy.
Write the essential operations of DevOps in terms of infrastructure and development
The essential operations of DevOps in terms of infrastructure and development are as follows:
• Code coverage
• Configuration
• Orchestration
• Provisioning
• Unit testing
• Application development
• Deployment
• Packaging
• Code developingWrite various important elements of continuous testing?
Various important elements of continuous testing are as follows:
• Risk assessment
• Advanced analysis
• Policy analysis
• Service virtualization
• Requirement traceability
• Test optimizationWhat are the different KPIs used to gauge DevOps success?
The different KPIs are written below:
• Customer tickets
• Availability
• Deployment time
• Error rates
• Application usage and traffic
• Failed deployments
• Lead time
• The automated test pass percentage
• Deployment frequency
• Mean time to detection (MTTD)
• Change volume
• Meantime to recovery (MTTR)
• Application performance
• Defect escape rateName some of the most-used DevOps tools?
Listed below are the most-used DevOps tools:
• Ansible
• Selenium
• Chef
• Git
• Jenkins
• Puppet
• Docker
• Jira
• Nagios
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