AWS DevOps Interview Questions and Answers
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Best AWS DevOps Interview Questions and Answers
In the recent days, AWS DevOps are highly used in all the organizations for most of their needs and so the need for professional AWS DevOps engineers are increasing day by day. And, this is the one stop resource where you will find all the top 50 AWS DevOps Interview Questions and Answers. These questions will make your interview preparation easier and will assist you in cracking the interview. These top 50 AWS DevOps Interview Questions and Answers has covered almost all the topics involved in AWS DevOps and are detailed in the most understandable manner. Both beginners and experienced personnel can make use of these top 50 AWS DevOps Interview Questions and Answers to achieve career progression.
There are numerous openings in this field and experts in this field are getting attractive salary, so do not miss an opportunity to achieve excellence in your career. All these top 50 AWS DevOps Interview Questions and Answers are prepared in consultation with the best interviewers in this field. So, aspirants can make use of these top 50 AWS DevOps Interview Questions and Answers to prepare and excel the interviews. We wish you all success in your further interviews.
Top AWS DevOps Interview Questions and Answers
AWS is referred to be an Amazon cloud service platform that allows users to execute DevOps activities at ease. DevOps is stuffed with valuable tools that assist teams and engineers to automate complex tasks and it helps in improving the overall efficiency of the teams.
In DevOps process, both development and operation comes under a single entity thus improving the agility, this in combination with cloud computing scales up the business productivity by implementing several valid strategies. Thus, for an example, if cloud is the car then DevOps will be the wheel which drives the car extra mile.
Using AWS in DevOps assures various advantages while some are listed below:
- For faster process, all the AWS services are always ready to use and does not take any additional time for installation or setup. If you have an AWS account then you can make use of its service at ease.
- AWS comes with several computational resources and so heading up with a single instance or scaling to hundreds of activities at a time becomes simpler.
- It makes payments easier and secure with the pay as you go technology that is being associated with AWS.
- When AWS is used with DevOps then you can accomplish tasks like development, deployment, testing and faster and more effective.
- AWS services can also be used with essential command line interfaces and it can be programmed as per user requirements too at ease.
DevOps is actually not a programming language and framework but it is a combination of both development and operation which maximizes the overall productivity of the organization.
Some of the essential core components of AWS DevOps are as follows:
- Continuous Integration
- Continuous Testing
- Continuous Development
- Continuous Feedback
- Continuous Monitoring
- Continuous Deployment
Some of the popular and most effective tools of AWS DevOps are as follows:
- AWS CodePipeline
- AWS CodeBuild
- AWS CodeDeploy
- AWS CodeStar
- AWS CodeCommit
CodePipeline is one of the AWS services that offer other services like continuous integration and continuous delivery. CodePipeline also has details of the infrastructure updates. CodePipeline allows users to rapidly update new features and launch new software as it is simpler to build, test and deploy.
CodeBuild in AWS DevOps is used to manage all the in-house built service and thus assists in source code compilation, testing and developing several software products that are instantly available to deploy. CodeBuild is automatically scaled and so there is no need to manage, allocate or scale the build servers. All the build operations are executed concurrently and thus there will be no builds in the queue which is a major advantage of CodeBuild.
Yes, CodeBuild can be used to automate the release process as CodeBuild turns the release process simpler to set up, configure and integrate it easily with the AWS CodePipeline. This assures that build actions are performed continuously and AWS monitors all the processes like continuous integration and continuous deployment without any hassles.
AWS CodeBuild can be easily connected with AWS GitHub, AWS CodeCommit and AWS S3 which can be used to extract the source code that are used to build operation.
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Python, Ruby, Java, Android, Docker, Node.js and Go are some of the programming languages that can be used in AWS CodeBuild.
- Initially, a temporary container for computing will be established by CodeBuild
- Then it will load the relevant runtime and it will pull the required source code to the container
- Then the commands will be executed and the project will be configured
- Then the project will be uploaded with the artifacts generated and it will be put into the S3 bucket
- Now the need for temporary container will not be required and so users can neglect it
- On entering into the build stage, the CodeBuild will publish the logs and outputs to the CloudWatch Logs which can be easily monitored by the users
Yes, it is possible to use AWS CodeBuild along with jenkins in AWS DevOps to easily perform and run particular tasks in jenkin.
With the help of console or by making use of the API, the previous build results in AWS CodeBuild can be viewed.
The previously build results in AWS CodeBuild consist of the following:
- Outcome (success/failure)
- Build duration
- Output artifact location
- Output log with the corresponding location
CodeDeploy easily automates deploying of codes to any instance which might be Amazon EC2 instances or local servers. It simplifies the complexity that is associated with updating the application for final release. The main advantage of CodeDeploy is that it reduces the downtime and fastens the release of new builds and model features.
Listed below are some of the benefits of using AWS CodeDeploy in AWS DevOps:
- Automated deployment
- Minimize downtime
- Centralized control
- Easy to adopt
CodeStar is a one stop resource that assists in developing build operations, provisioning several deployment techniques for AWS users. It is one of the single interfaces that are easy to use and it can be used to manage all the activities that are associated with software development.
Yes, AWS CodeStar can be easily integrated with Atlassian JIRA which is one of the best software development tools that are used by Agile teams.
No, AWS CodeStar can only be used to set up a new project on AWS while it cannot be used to manage an existing AWS application. Every project created by AWS CodeStar will consist of development tools like CodePipeline, CodeCommit, CodeBuild, and CodeDeploy.
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A highly scalable source control service associated with AWS which can be used to safely host Git repositories is known as CodeCommit.
The key role and responsibilities of DevOps engineer are as follows:
- Managing the IT infrastructure of an organization that is in line with the direct requirement of the software code present in an environment that is both multi-faceted and hybrid
- Provisioning and developing relevant and required deployment model
- Validating the deployment model and monitoring the key performance
To store and allocate versions to particular source code of an application, the tools of AWS DevOps are highly preferred. Alongside, the services of AWS DevOps are used to build, test and deploy applications automatically to an AWS instance or to a local environment.
Listed below are some of the web services available in AWS DevOps:
- Amazon Elastic Compute Cloud or Amazon EC2
- Amazon Simple Storage Service or Amazon S3
- Amazon Relational Database Service or Amazon RDS
An integral part of AWS and a secure web service that assures scalable computation power in the cloud is known as Amazon Elastic Compute Cloud or Amazon EC2 which assists the developers to make the cloud computing process easier and plain sailing.
An object storage service that offers users with a simple and easy to use interface to store and retrieve data as and when required.
Amazon Relational Database Service or Amazon RDS assist users to set up a relational database in the AWS cloud architecture and it also makes it simpler to set up, maintain and use database online at ease.
All ecommerce stores including Amazon require automating both the frontend and backend service in order to ensure a seamless service. And, this automation is possible if the ecommerce store is paired with CodeDeploy. Thus developers can concentrate more of building and enhancing products rather than working on deployment techniques.
Amazon Elastic Container Services and AWS Lambda are the two salient features of AWS used in DevOps.
Amazon ECS or Amazon Elastic Container Services is one of the highly performing container management services which are easy to use and highly scalable. It permits users to execute applications on the EC2 instance at ease with the help of a managed cluster as it ensures effective integration to all the docker containers.
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A cloud powered business analytics service that helps in building visualizations, performing ad-hoc analysis, and to acquiring instant and reliable business insights from the given data is known as Amazon Quick Sight.
A managed cloud platforms that allows connected devices to interact smoothly and securely with the other cloud applications and devices is known as AWS LoT which is also similar to an advanced Bluetooth network.
With this auto-scaling technique that is associated with AWS DevOps, with which users can automatically configure and scale up new instances without the need for human intervention.
In AWS DevOps, buffer is used to synchronize different components and it helps in maintaining the balance between different elements.
AWS Developer tools are a collection of services that are designed to allow IT professionals and developers who are practising DevOps to develop and deliver software quickly and securely.
An entity associated with the primary functions that can be integrated with the CodeBuild that provides several information as listed below is known as a build project:
- The source code’s location
- The relevant build environment information
- The build commands that are required to run or execute
- The location in which the output can be stored
A build project in AWS DevOps can be easily configured using Amazon Command-line Interface (CLI) These build project with computation class is used to run and more which is a plain sailing simpler task in AWS.
The design approach which can be used to build a single application as a collection of services is known as a microservice architecture. These services have their own process structure and it can communicate with the other services using a structured interface which is easy to use and lightweight.
CloudFormation in AWS DevOps can be used by developers to create a set of AWS resources which can be passed to relevant teams in a structured manner.
A cloud network that is mapped to an AWS account is known as the VPC or Virtual Private Cloud which can be used to create regions, routing tables, subjects and internet gateways to an AWS account.
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A network connection established between two VPCs to route the traffic between them with the help of private IP addresses is known as VPC Peering.
EBS also known as Elastic Block Storage is one of the compatible virtual storage area networks in AWS. It actually refers to the block level storage volumes which can be used in the EC2 instances.
The root file system’s snapshot is known as AMI or Amazon Machine Image which consists of all the relevant data required to launch a server in the cloud. Also, it might consist of the permissions and templates which can be used to control all the cloud accounts.
IaC or a Infrastructure as Code is a general practise of DevOps in which the software development techniques and code are assisted in managing the entire infrastructure from the continuous integration until the version control system.
Listed below are some of the major benefits in making use of the version control:
- Version control has several advantageous highlights with which we can easily compare files, analyze the difference and merge files if required
- With version control, we can easily analyze and track the life cycle of an application build which might include production, testing, deployment and more
- It can be used to establish a collaborative work culture and it allows to secure the code variant
An entity which is known as pod that can be used to map among the containers are known as kubernetes. Every pod contains several containers at a single point of time.
The technique with which the developers can easily run and deploy applications on the cloud platform is known as AWS Elastic Beanstalk.
A computation setting that involves the usage of both private and public cloud is known as the hybrid cloud which is generated by placing a VPN tunnel in between the cloud VPN and the on-premise network.
The main advantage of adopting AWS DevOps are as follows:
- It assists in maintaining high process efficiency at affordable cost
- It organizes the overall work culture and assists the team to work together effectively
- It brings development and operation together such that products can be created with maximum quality at ease
Every business are now scaling to the cloud and AWS DevOps is an integral technique that assists developers to develop new software at ease more quickly and effectively.
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