Cognizant – DevOps Interview Questions | Cognizant Technology Solutions DevOps Interview Questions & Answers. DevOps is an acronym that stands for Development and Operations. It is a software engineering technique that emphasizes bringing together the development team and the operations team to automate the project at every level. This method simplifies the automation of project service management in order to support operational goals and enhance knowledge of the technological stack utilized in the production environment.
What Is Amazon Web Services In DevOps?
AWS provides services that help you practice DevOps at your company and that are built first for use with AWS. These tools automate manual tasks, help teams manage complex environments at scale, and keep engineers in control of the high velocity that is enabled by DevOps.
What Is The Role Of A DevOps Engineer?
DevOps Engineers are responsible for supporting the users of the infrastructure they develop, and the first line of defense is protecting the cloud against hackers and viruses. They do this with code, of course, building secure software from the start.
What Is DevOps With Cloud Computing?
AWS DevOps is Amazon's answer to implementing the DevOps philosophy using its cloud platform and dedicated tools and services.AWS DevOps provides application developer teams with the means to efficiently implement continuous integration and continuous delivery.
Why Do We Use AWS For DevOps?
AWS provides services that help you practice DevOps at your company and that are built first for use with AWS. These tools automate manual tasks, help teams manage complex environments at scale, and keep engineers in control of the high velocity that is enabled by DevOps.
What Is DevOps Tooling By AWS?
DevOps Tool is an application that helps automate the software development process.DevOps tool also enables teams to automate most of the software development processes like build, conflict management, dependency management, deployment, etc. and helps reduce manual efforts.
How Do You Handle Continuous Integration And Continuous Delivery In AWS DevOps?
Continuous integration is a step in which all code is merged as developers complete code in order to run the automated builds and tests. Continuous delivery is an approach that incorporates the concepts of continuous integration, automated testing, and continuous deployment.
What Is AWS Code Pipeline In AWS DevOps?
AWS CodePipeline is a fully managed continuous delivery service that helps you automate your release pipelines for fast and reliable application and infrastructure updates. With AWS CodePipeline, you only pay for what you use. There are no upfront fees or long-term commitments.
What Is AWS Code Build In AWS DevOps?
AWS CodeBuild is a fully managed continuous integration service that compiles source code, runs tests, and produces software packages that are ready to deploy. With CodeBuild, you don't need to provision, manage, and scale your own build servers.
What Is AWS Code Deploy In AWS DevOps?
AWS CodeDeploy is a service that automates application deployments to your compute infrastructure, including fleets of Amazon EC2 instances. AWS CodeDeploy can automatically deploy the latest app version to any new EC2 instance launched due to a scaling event.
What Is AWS Code Star In AWS DevOps?
AWS CodeStar is a cloud-based development service that provides the tools you need to quickly develop, build, and deploy applications on AWS. With AWS CodeStar, you can set up your entire continuous delivery toolchain in minutes, allowing you to start releasing code faster.
How does Lulu Lemon Athletic Use AWS DevOps?
Lulu Lemon uses a variety of AWS services to engineer a fully automated, continuous integration and delivery system. The company uses AWS CloudFormation templates to define its complete development environment. lululemon deploys immutable artifacts distributed via Amazon Simple Storage Service.
What Is Amazon Elastic Container Service In AWS DevOps?
Amazon Elastic Container Service is a fully managed container orchestration service that makes it easy to operate containerized workloads at scale. It also integrates with other core AWS services, such as Amazon Route 53, AWS Identity and Access Management, and Amazon CloudWatch.
What Is AWS Lambda In AWS DevOps?
AWS Lambda is a serverless compute service that can run code in response to predetermined events or conditions and automatically manage all the computing resources required for those processes. It also enables the DevOps teams to connect to any number of AWS services or run their own functions.
What Are AWS Developer Tools?
- AWS CodeArtifact. AWS CodeCommit. AWS CodePipeline. AWS CodeBuild.
- AWS X-Ray.
- AWS CLI. PowerShell Tools. Amazon EC2 AMI Tools. AWS Elastic Beanstalk CLI.
- AWS Serverless Application Model (SAM) CLI. AWS Copilot.
- AWS Cloud9. Eclipse. IntelliJ. PyCharm.
- Azure DevOps. Rider.
- JavaScript. Python. PHP. .NET.
- Go. Node.js. C++
What Is Code Commit In AWS DevOps?
AWS CodeCommit is a secure, highly scalable, managed source control service that hosts private Git repositories. It makes it easy for teams to securely collaborate on the code with contributions encrypted in transit and at rest.
What Are The Benefits Of AWS Code Build In AWS DevOps?
The benefits of AWS Code Build are:
- Eliminates the need to set up, patch, update, and manage build servers and software.
- Scales up and down automatically to meet your build volume.
- Never pay for idle build server capacity.
- Create complete, automated software release workflows for continuous integration and delivery.
What Is Amazon Ec2 In AWS DevOps?
Amazon Ec2 In AWS Devops access the AWS Elastic Computing Power. Industry Leading Security. Agile, Reliable Service. Sign Up for 1 Free Year of 750 Hours/Month on Amazon EC2. Monthly Uptime of Up to 99.99% Highly Scalable. Quickly Scale Capacity.
What Is Amazon S3 In AWS DevOps?
Amazon S3 is object storage built to store and retrieve any amount of data from anywhere. It's a simple storage service that offers industry-leading durability, availability, performance, security, and virtually unlimited scalability at very low costs.
What Is Amazon Rds In AWS DevOps?
Amazon Relational Database Service is a web service that makes it easier to set up, operate, and scale a relational database in the AWS Cloud. It provides the cost-efficient, resizable capacity for an industry-standard relational database and manages common database administration tasks.
What is DevOps?
DevOps is the combination of cultural philosophies, practices, and tools that increases an organization's ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.
In terms of development and infrastructure, mention the core operations of DevOps.
The core operations of DevOps are application development, code development, code coverage, unit testing, packaging, deployment with infrastructure, provisioning, configuration, orchestration, and deployment.
What are some technical and business benefits of DevOps work culture?
- Improved operational support and faster fixes.
- Good processes across IT including automation.
- Increased team flexibility and agility.
- Happier, more engaged teams.
- Cross-skilling and self-improvement.
- Collaborative working.
- Respect from senior management
Name some of the most important DevOps tools?
- The important DevOps tools in DevOps are:
- Slack.
- Jenkins.
- Docker.
- Phantom.
- Nagios.
- Vagrant.
- Ansible.
- GitHub.
What is CI? What is its purpose?
The technical goal of CI is to establish a consistent and automated way to build, package, and test applications. With consistency in the integration process in place, teams are more likely to commit code changes more frequently, which leads to better collaboration and software quality.
Name three important DevOps KPIs.
Key Performance Indicators are metrics widely used to know how good are some practices, products, projects, or even initiatives. Well, planning projects define KPIs that are collected from day zero and followed in all the steps.
What is the difference between continuous deployment and continuous delivery?
Continuous delivery is a software engineering practice in which teams develop, build, test, and release software in short cycles. Continuous Deployment is the process by which qualified changes in software code or architecture are deployed to production as soon as they are ready and without human intervention.
What is DevOps? Is it a tool?
DevOps Tool is an application that helps automate the software development process. It mainly focuses on the communication and collaboration between product management, software development, and operations professionals.
What are the core operations of DevOps in terms of development and infrastructure?
The core operations of DevOps are application development, code development, code coverage, unit testing, packaging, deployment with the infrastructure, provisioning, configuration, orchestration, and deployment.
How does HTTP work?
HTTP gives users a way to interact with the web resources such as HTML files by transmitting hypertext messages between clients and servers. PUT directly modifies an existing web resource or creates a new URI if need be. DELETE gets rid of a specified resource.
Can one consider DevOps as an Agile methodology?
DevOps is an extension of agile built around the practices that are not in agile's focus. When used together, both practices improve software development and lead to better products.
Can you tell me the advantages of using Git?
Two main advantages of using Git are:
Tracking the changes and updates. We are able to see who made which changes. Git also provides when and why a change was made.
Allowing to work collaboratively. Software development projects usually require many people to work together.
Are git fetch and git pull the same?
Git fetch is the command that tells your local git to retrieve the latest meta-data info from the original yet doesn't do any file transferring. git pull on the other hand does that and brings those changes from the remote repository.
What are the benefits of using version control?
Version control helps teams solve these kinds of problems, tracking every individual change by each contributor and helping prevent concurrent work from conflicting. Changes made in one part of the software can be incompatible with that those made by another developer working at the same time.
How do you handle the merge conflicts in Git?
- The merge conflicts in Git are:
- The easiest way to resolve a conflicted file is to open it and make any necessary changes.
- After editing the file, we can use the git add a command to stage the new merged content.
- The final step is to create a new commit with the help of the git commit command.
How do you handle the merge conflicts in Git?
The merge conflicts in Git are:
- The easiest way to resolve a conflicted file is to open it and make any necessary changes.
- After editing the file, we can use the git add a command to stage the new merged content.
- The final step is to create a new commit with the help of the git commit command.\
When do you use ‘git rebase’ instead of ‘git merge’?
Git rebases and merges both to integrate the changes from one branch into another. Where they differ is how it's done. Git rebases moves a feature branch into a master. Git merge adds a new commit, preserving the history.
How to launch a browser using WebDriver?
Launch a browser using WebDriver are:
Download the latest ChromeDriver binary from the Chromium.org download page and place the executable on your local machine.
Set the webdriver.chrome.driver property to the chromeDriver.exe's location as- System.setProperty(“webdriver.chrome.driver”, “chromeDriver.exe path”);
Are there any technical challenges with Selenium?
One of the top challenges faced in Selenium automation is the handling of dynamic web content. Selenium solves it using the explicit wait feature, where you specify a pre-defined time for the automation testing process to wait for new content to load.
Describe the difference between driver.close() and driver.quit().
driver. quit() is used to the exit the browser, end the session, tabs, pop-ups, etc. But then when you driver. close(), only the window that has focus is closed.
How will you secure Jenkins?
To configure Security in Jenkins, follow the steps given below.
- Step 1 − Click on Manage Jenkins and choose the 'Configure Global Security' option.
- Step 2 − Click on Enable Security option.
- Step 3 − You will be prompted to add your first user.
- Step 4 − It's now time to set up your users in the system.
Can you write the syntax for building a docker image?
With the Dockerfile written, you can build the image using the following command: $ docker build. We can see the image we just built using the command docker images.
What is the concept of sudo in Linux?
Sudo stands for either "substitute user do" or "super user do" and it allows you to elevate your current user account to have root privileges temporarily. This is different from the“su” which is not temporary.
What is Nagios Log Server?
Log Server is a powerful centralized enterprise-class log monitoring and management application that allows organizations to quickly and easily view, sort, and configure logs from any source on any given network.
What Are The Benefits Of The NoSQL?
The Benefits Of The Nosql are:
- Handle large volumes of data at high speed with a scale-out architecture.
- Store unstructured, semi-structured, or structured data.
- Enable easy updates to schemas and fields.
- Be developer-friendly.
- Take full advantage of the cloud to deliver zero downtime.
What Are Adoptions Of Devops In Industry?
DevOps is an approach in which traditional software engineering roles are merged and communication is enhanced to improve the production release frequency and maintain software quality. There seem to be benefits in adopting DevOps but the practical industry experiences have seldom been reported.
How Would You Explain The Concept Of “infrastructure As Code” (iac) ?
DevOps is an approach in which traditional software engineering roles are merged and communication is enhanced to improve the production release frequency and maintain software quality. There seem to be benefits in adopting DevOps but practical industry experiences have seldom been reported.
How Is Chef Used As A Cm Tool?
Chef is a configuration management technology used to automate infrastructure provisioning. It is developed on the basis of Ruby DSL language. It is used to streamline the task of configuration and managing the company's server. It has the capability to get integrated with any of cloud technology.
Why Are Configuration Management Processes And Tools Important?
Configuration management helps engineering teams build robust and stable systems through the use of tools that automatically manage and monitor updates to configuration data. Complex software systems are composed of components that differ in granularity of size and complexity.
What Are Vagrant And Its Uses?
A vagrant is a tool for building and managing virtual machine environments in a single workflow. With an easy-to-use workflow and focus on automation, Vagrant lowers development environment setup time, increases production parity, and makes the "works on my machine" excuse a relic of the past.
How DevOps Is Helpful To Developers?
DevOps describes a culture and set of processes that bring development and operations teams together to complete software development. It allows organizations to create and improve products at a faster pace than they can with traditional software development approaches. And, it's gaining popularity at a rapid rate.
Name The Popular Scripting Language Of DevOps?
The Popular Scripting Language Of DevOps are:
- Python Scripting in DevOps: In IT Infrastructure, Python has become an all-purpose language.
- Bash Scripting: Bash is one of the most frequently used Unix Shell Scripting and provides good support.
- Ruby: Ruby is another DevOps Scripting language that offers a lot of versatility.
List The Agile Methodology Of DevOps?
- Individuals and interactions over processes and tools.
- Working software over comprehensive documentation.
- Customer collaboration over contract negotiation.
- Responding to change over following a plan.
Which Are The Areas Where DevOps Are Implemented?
Vizuri experts have grouped DevOps automation processes into four areas of focus for implementing the automation that can each help your organization gain efficiencies and improve your overall IT processes: Build, Deployment, Test, and Infrastructure.
What Are The Advantages Of Devops With Respect To Technical And Business Perspective?
DevOps benefits businesses by improving office collaboration and communication. The more employees communicate and work together, the better they work together. This improves employee camaraderie and boosts employee morale, which is why it is one of the most effective team management strategies.
What Are The Core Operations Of Devops In Terms Of Development And Infrastructure?
The core operations of DevOps are application development, code development, code coverage, unit testing, packaging, deployment with the infrastructure, provisioning, configuration, orchestration, and deployment.
What Are The Anti-patterns Of DevOps?
An anti-pattern is a pattern that you use to fix a short-term problem at the expense of your long-term goals. The insidious thing about anti-patterns isn't that they don't work or fail outright, but that they work in the short term while causing long-term failure and pain.
What Is The Most Important Thing DevOps Helps Us Achieve?
DevOps is important because it's a software development and operations approach that enables faster development of new products and easier maintenance of existing deployments.
What Are The Advantages Of DevOps?
Reduce the implementation time of new services from months to minutes. Increase productivity of a business and IT teams. Save costs on maintenance and upgrades, and eliminate unnecessary capital expenditure. Standardize processes for easy replication and faster delivery.
How Do All These Tools Work Together?
Build - Continuous integration tools, build status. Test - Test and results determine performance. Package - Artifact repository, application pre-deployment staging. Release - Change management, release approvals, release automation.
How Is Devops Different From Agile / SDLC?
DevOps is a practice of bringing development and operations teams together whereas Agile is an iterative approach that focuses on collaboration, customer feedback, and small rapid releases. DevOps focuses on constant testing and delivery while the Agile process focuses on constant changes.
What Are Adoptions Of Devops In Industry?
DevOps is an approach in which traditional software engineering roles are merged and communication is enhanced to improve the production release frequency and maintain the software quality. There seem to be benefits in adopting DevOps but practical industry experiences have seldom been reported.
How Is Chef Used As A Cm Tool?
Chef is a configuration management technology used to automate infrastructure provisioning. It is developed on the basis of the Ruby DSL language. It is used to streamline the task of configuration and managing the company's server. It has the capability to get integrated with any of the cloud technology.
Why Are Configuration Management Processes And Tools Important?
Configuration management helps engineering teams build robust and stable systems through the use of tools that automatically manage and monitor updates to configuration data. Complex software systems are composed of components that differ in granularity of size and complexity
How DevOps Is Helpful To Developers?
Developer patterns and technologies are very useful in the operations side. Being able to pull in things such as the infrastructure as code, version control, static analysis, and code reviews allows DevOps to be more efficient and more effective, often using the same programming languages.
Name The Popular Scripting Language Of DevOps?
JavaScript is used as DevOps Scripting to create network-centric applications. It is a lightweight and Interpreted DevOps Scripting Language.
Which Are The Areas Where DevOps Are Implemented?
Vizuri experts have grouped DevOps automation processes into the four areas of focus for implementing automation that can each help your organization gain efficiencies and improve your overall IT processes: Build, Deployment, Test, and Infrastructure.
The Scope For Ssh?
SSH is a Secure Shell that provides users with a secure, encrypted mechanism to log into systems and transfer files.
To log out of a remote machine and work on the command line.
To secure encrypted communications between two hosts over an insecure network.
What Are The Advantages Of Devops With Respect To Technical And Business Perspective?
The benefits of DevOps can bring consistent improvements in maintaining software quality, scale, and predictability, reduce the cost of designing, testing, writing, and deploying software, and satisfy customer requirements faster.
What Are The Core Operations Of Devops In Terms Of Development And Infrastructure?
The core operations of DevOps are application development, code development, code coverage, unit testing, packaging, deployment with infrastructure, provisioning, configuration, orchestration, and deployment.
What are the fundamental differences between DevOps & Agile?
DevOps is a practice of bringing development and operations teams together whereas Agile is an iterative approach that focuses on collaboration, customer feedback, and small rapid releases. DevOps focuses on constant testing and delivery while the Agile process focuses on constant changes.
What is the need for DevOps?
DevOps is important because it's a software development and operations approach that enables faster development of new products and easier maintenance of existing deployments.
How is DevOps different from Agile / SDLC?
DevOps is a practice of bringing development and operations teams together whereas Agile is an iterative approach that focuses on collaboration, customer feedback, and small rapid releases. DevOps focuses on constant testing and delivery while the Agile process focuses on constant changes.
What is the most important thing DevOps helps us achieve?
DevOps is the combination of the tools and social strategies that help to expand the company to provide services and applications at a high speed. It is the important thing that helps you achieve to get changes in production. It helps to good working relationships and communication between the teams.
Explain some basic Git commands?
Basic Git Commands are:
git init.
git add.
git commit.
git status.
git config.
git branch.
git checkout.
git merge.
What is meant by Continuous Integration?
Continuous integration is the practice of automating the integration of code changes from multiple contributors into a single software project. The version control system is also supplemented with other checks like automated code quality tests, syntax style review tools, and more.
What are the success factors for Continuous Integration?
The success factors for Continuous Integration are:
- Compilation.
- Unit Tests.
- Code Quality Gates.
- Integration Tests.
- Deployment.
- Chain Tests.
How to automate Testing in the DevOps lifecycle?
In order to implement automated testing into your DevOps lifecycle, you must first map out your release pipeline. This can be done by following four steps: Identify all the stages of your release. Identify the gates and requirements necessary in a build's journey to production.
Why is Continuous Testing important for DevOps?
Continuous Testing encourages automating tests wherever possible throughout the development cycle. Doing so ensures that teams evaluate the code validity and overall quality of the software at each stage. These insights can help organizations identify whether the software is ready to go through the delivery pipeline.
How to launch Browser using WebDriver?
Launch a browser using WebDriver are:
Download the latest ChromeDriver binary from the Chromium.org download page and place the executable on your local machine.
Set the webdriver.chrome.driver property to the chromeDriver.exe's location as- System.setProperty“webdriver.chrome.driver”, “chromeDriver.exe path.
What are the key components of DevOps?
Key Components of DevOps are:
- An Agile Framework.
- Automated Testing.
- Configuration Management.
- Regular Integration.
- Infrastructure as Code.
What is the difference between Continuous Delivery and Continuous Deployment?
Continuous delivery is a software engineering practice in which teams develop, build, test, and release software in short cycles. Continuous Deployment is the process by which qualified changes in software code or architecture are deployed to production as soon as they are ready and without human intervention.
What is your expertise on DevOps projects?
DevOps is the combination of cultural philosophies, practices, and tools that increases an organization's ability to deliver applications and services at high velocity evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.
What are the top 10 DevOps tools that are used in the industry today?
DevOps Tools Are
- Git. Code, Build.
- Gradle. Build.
- Selenium. Test.
- Jenkins. Build, Test, Deploy.
- Puppet. Deploy, Operate.
- Chef. Deploy, Operate.
- Docker. Build, Deploy, Operate.
- Kubernetes. Build, Deploy, Operate.
- Ansible Deploy, Operate
- eG Enterprise Monitor
Which scripting tools are used in DevOps?
- Microsoft PowerShell.
- Puppet.
- Chef.
- Bash.
- Ruby.
- Ansible.
- Perl.
- Python.
Explain the typical roles involved in DevOps.
- The DevOps evangelist.
- The release manager.
- The automation architect.
- The software developer/tester.
- The experience assurance (XA) professional.
- The security engineer.
- The utility technology player.
Have you been involved in DevOps implementation in the cloud?
The centralized nature of cloud computing provides DevOps automation with a standard and centralized platform for testing, deployment, and production. Cloud-based DevOps lessens the need to account for resources leveraged.
Explain some of the metrics that were followed for DevOps success.
The researchers have determined that only four key metrics differentiate between the low, medium, and high performers: lead time, deployment frequency, mean time to restore, and change failure percentage.
Mention the key aspects or principles behind DevOps?
To fuel a DevOps culture, we have to build robust tooling, also. That means investing upfront in five key areas: abstraction, composability, automation, orchestration, and idempotency. Together, these concepts allow the sharing of work at every level of the pipeline.
What is a version control system?
Version control, also known as source control, is the practice of tracking and managing changes to software code. Version control systems are software tools that help software teams manage changes to source code over time.
What is Git and explain the difference between Git and SVN?
The difference between Git and SVN version control systems is that Git is a distributed version control system, whereas SVN is a centralized version control system. Git uses multiple repositories including a centralized repository and server, as well as some local repositories.
What language is used in Git?
JavaScript continues to be the most popular programming language on GitHub, while Python is now the second most popular, followed by Java and the fast-growing TypeScript community.
What is SubGit?
SubGit is a stress-free tool for migrating from SVN to Git. It can be used with any Git server whether it is Github, Gitlab, Gerrit, or Bitbucket. It is developed by Tmate software. Answered by devquora. It is software for migrating SVN to GIT.
How can you clone a Git repository via Jenkins?
There are two ways to clone the project from GitHub. Create a new Jenkins job called 'Clone-with-https', move to the “Source Control Management” setting, and choose “Git” options if you can't see the Git options that mean the 'GitHub' plugin wasn't installed in the Jenkins machine.
What are the Advantages of Ansible?
The primary benefit of Ansible is it allows IT administrators to automate away the drudgery from their daily tasks. That frees them to focus on the efforts that help deliver more value to the business by spending time on more important tasks.
What’s the difference between Ansible Playbook and Roles?
Ansible, the role is the primary mechanism for breaking a playbook into multiple files. This simplifies writing complex playbooks, and it makes them easier to reuse. The breaking of the playbook allows you to logically break the playbook into reusable components.
How do I see a list of all the ansible_ variables?
There are Three sources of variables in Ansible are:
Variables are gathered from facts.
You can get them by running the command: ansible -m setup hostname.
What is Docker?
Docker is an open platform for developing, shipping, and running applications. Docker enables you to separate your applications from your infrastructure so you can deliver software quickly. With Docker, you can manage your infrastructure in the same ways you manage your applications.
What is a Docker image?
A Docker image is a file used to execute code in a Docker container. Docker is used to creating, run and deploy applications in containers. A Docker image contains application code, libraries, tools, dependencies, and other files needed to make an application run.
What is Docker Container?
Docker streamlines the development lifecycle by allowing developers to work in standardized environments using local containers which provide your applications and services. Containers are great for continuous integration and continuous delivery workflows.
What are the advantages of using Git?
One of the biggest advantages of Git is its branching capabilities. Unlike centralized version control systems, Git branches are cheap and easy to merge. This facilitates the feature branch workflow popular with many Git users. Feature branches provide an isolated environment for every change to your codebase.
What is kernel?
The kernel performs its tasks, such as running processes, managing hardware devices such as the hard disk, and handling interrupts, in this protected kernel space. In contrast, application programs like browsers, word processors, or audio or video players use a separate area of memory, user space.
What is the difference between grep -i and grep -v?
The grep command is used to find the specified string in the file. The execution effect of egrep is similar to "grep-E", the syntax and parameters used can refer to the grep command, The difference with grep is the method of interpreting strings.
What is Scrum?
Scrum is a lightweight framework that helps people, teams, and organizations generate value through adaptive solutions for complex problems.
Explain what DevOps is?
DevOps is the combination of cultural philosophies, practices, and tools that increases an organization's ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than the organizations using traditional software development and infrastructure management processes.
Explain how “Infrastructure code” is processed or executed in AWS?
The code for infrastructure will be in simple JSON format. This JSON code will be organized into files called templates. These templates can be deployed on AWS DevOps and then managed as stacks.
Explain which scripting language is most important for a DevOps engineer?
- Python. Most well-known language for programming and the first one that should be learned, if someone wishes to become a DevOps professional.
- JavaScript. While Python is more flexible, JavaScript adds significant value to the DevOps Environment.
- Ruby.
- Perl.
Mention at what instance have you used the SSH?
SSH or Secure Shell is a network communication protocol that enables two computers to communicate and share data.
Explain how you would handle revision (version) control?
In the software development process, revision control, also known as version control or source control, is the management of the changes made over time. These changes can be to source code, project assets, or any other information that goes into the finished product.
Mention what the key aspects or principles behind DevOps are?
To fuel a DevOps culture, we have to build robust tooling, also. That means investing upfront in five key areas: abstraction, composability, automation, orchestration, and idempotency. Together, these concepts allow sharing of work at every level of the pipeline.
Explain how DevOps is helpful to developers?
Developer patterns and technologies are very useful in the operations side. Being able to pull in things such as infrastructure as code, version control, static analysis, and code reviews allows DevOps to be more efficient and more effective, often using the same programming languages
What Is An Ami?
An Amazon Machine Image (AMI) provides the information required to launch an instance. You must specify an AMI when you launch an instance.
What is continuous integration?
Continuous integration (CI) is the practice of automating the integration of code changes from multiple contributors into a single software project.
What is DevOps & Why DevOps?
DevOps is the combination of cultural philosophies, practices, and tools that increases an organization's ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.
What is a Docker? Explain its role in DevOps
Docker tool is basically used to create, deploy, and run applications by using containers. Through Docker DevOps, developers can pack all parts of an application like libraries and other dependencies easily and ship it out as a single package.
What Is Amazon Ec2 In AWS DevOps?
Amazon Ec2 In AWS Devops access the AWS Elastic Computing Power. Industry Leading Security. Agile, Reliable Service. Sign Up for 1 Free Year of 750 Hours/Month on Amazon EC2. Monthly Uptime of Up to 99.99% Highly Scalable. Quickly Scale Capacity.
What Is Amazon S3 In AWS DevOps?
Amazon S3 is object storage built to store and retrieve any amount of data from anywhere. It's a simple storage service that offers industry-leading durability, availability, performance, security, and virtually unlimited scalability at very low costs.
What Is Amazon Rds In AWS DevOps?
Amazon Relational Database Service is a web service that makes it easier to set up, operate, and scale a relational database in the AWS Cloud. It provides the cost-efficient, resizable capacity for an industry-standard relational database and manages common database administration tasks.
What Is Amazon Quick Sight In AWS DevOps?
Amazon QuickSight is a scalable, serverless, embeddable, machine learning-powered business intelligence service built for the cloud. QuickSight lets you easily create and publish interactive BI dashboards that include Machine Learning-powered insights.
What Is AWS Iot In AWS Devops?
AWS IoT Greengrass is an Internet of Things open source edge runtime and cloud service that helps you build, deploy, and manage device software. Customers use AWS IoT Greengrass for their IoT applications on the millions of devices in homes, factories, vehicles, and businesses.
What Are The Benefits Of AWS Code Deploy In AWS DevOps?
- Scalability. AWS environments are provisioned with scalability in mind, enabling DevOps teams to support a single instance or quickly and easily expand to thousands of instances.
- Automation.
- Better Collaboration.
- AWS Developer-Specific Tools: CodePipeline and CodeBuild
What Is VPC?
A virtual private cloud is the logical division of a service provider's public cloud multi-tenant architecture to support private cloud computing.
What Is VPC Peering?
A VPC peering connection is a networking connection between two VPCs that enables you to route traffic between them using private IP addresses. VPC peering allows you to deploy the cloud resources in a virtual network that you have defined.
Explain how you would handle revision (version) control?
In the software development process, revision control, also known as version control or source control, is the management of changes made over time. These changes can be to source code, project assets, or any other information that goes into the finished product.