1. What is Amazon Web Services (AWS)?

AWS is a cloud computing platform that provides a wide range of services, including computing, storage, and databases, among others. It is a comprehensive platform that allows users to run applications and manage their IT infrastructure.

2. What is the difference between Amazon S3 and EBS?

Amazon S3 is a simple storage service that is used to store and retrieve large amounts of data, while Amazon EBS is a block-level storage service that is used to store data in volumes that can be attached to EC2 instances.

3. What is the difference between EC2 and Lambda?

EC2 is a virtual server that provides compute capacity in the cloud, while Lambda is a serverless computing service that runs your code in response to events and automatically scales to meet demand.

4. What is an Amazon VPC?

Amazon VPC is a virtual private cloud that allows you to create a private network within the AWS cloud. It provides you with complete control over your virtual networking environment, including IP addresses, subnets, and security groups.

5. What is AWS Elastic Beanstalk?

AWS Elastic Beanstalk is a fully managed service that allows you to deploy and scale web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, and Docker on popular web servers such as Apache, Nginx, and IIS.

6. What is AWS Lambda?

AWS Lambda is a serverless computing service that lets you run your code without having to provision or manage servers. You can use it to run code in response to events such as changes to data in an Amazon S3 bucket, updates to a DynamoDB table, or when a message is published to an Amazon SNS topic.

7. What is Amazon CloudFront?

Amazon CloudFront is a content delivery network that is used to distribute content, such as web pages, videos, and software downloads, to users around the world. It uses a global network of edge locations to cache content and deliver it to users with low latency.

8. What is Amazon DynamoDB?

Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. It is designed to scale automatically to accommodate changing workloads and provides built-in security features.

9. What is Amazon RDS?

Amazon RDS is a fully managed relational database service that provides easy setup, operation, and scaling of relational databases in the cloud. It supports multiple popular database engines, including MySQL, PostgreSQL, Oracle, and SQL Server.

10. What is Amazon SQS?

Amazon SQS is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. It allows you to send, store, and receive messages between software components without losing messages or requiring other services to be available.

11. What is Amazon Redshift?

Amazon Redshift is a fully managed data warehouse service that allows you to analyze large amounts of data using SQL and your existing business intelligence tools. It can scale from a few hundred gigabytes to a petabyte or more and provides fast query performance.

12. What is Amazon EC2?

Amazon EC2 is a web service that provides resizable computing capacity in the cloud. It is designed to make web-scale cloud computing easier for developers and provides a variety of instance types optimized for different use cases.

13. What is AWS CloudFormation?

AWS CloudFormation is a service that helps you model and set up your Amazon Web Services resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS.

14. What is Amazon ECS?

Amazon ECS is a fully managed container orchestration service that lets you run and scale containerized applications on AWS. It eliminates the need to install and operate your own container orchestration software, and provides seamless integration with other AWS services.

15. What is Amazon Elastic File System (EFS)?

Amazon EFS is a fully managed, scalable, and elastic file storage service for use with AWS Cloud services and on-premises resources. It provides simple, scalable, and reliable file storage for use with Amazon EC2 instances in the AWS Cloud.

16. What is AWS CloudTrail?

AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account. It provides a history of AWS API calls for your account, including API calls made through the AWS Management Console, AWS SDKs, command line tools, and other AWS services.

17. What is Amazon EMR?

Amazon EMR is a fully managed service that makes it easy to process big data using open-source frameworks such as Apache Hadoop, Spark, and Hive. It allows you to quickly and easily spin up clusters with any combination of instance types and provides automatic scaling of compute and storage resources.

18. What is Amazon Kinesis?

Amazon Kinesis is a fully managed, scalable, and real-time data streaming service. It allows you to collect, process, and analyze streaming data such as website clickstreams, financial transactions, social media feeds, and more.

19. What is Amazon ElastiCache?

Amazon ElastiCache is a fully managed in-memory data store and cache service that makes it easy to deploy and operate popular open-source in-memory data stores such as Redis or Memcached in the cloud. It provides a scalable and highly available way to cache data, improve application performance, and reduce database load.

20. What is AWS Identity and Access Management (IAM)?

AWS IAM is a web service that helps you securely control access to AWS resources. You use IAM to create and manage AWS users and groups, and to grant permissions to AWS resources.

21. What is Amazon SNS?

Amazon SNS is a fully managed pub/sub-messaging service that enables you to decouple microservices, distributed systems, and serverless applications. It allows you to send messages to a variety of endpoints such as email, SMS, HTTP endpoints, and AWS Lambda functions.

22. What is Amazon Glacier?

Amazon Glacier is a low-cost, long-term storage service that is optimized for data archiving and backup. It provides secure, durable, and flexible storage for data of all types, with low retrieval latency.

23. What is AWS CodePipeline?

AWS CodePipeline is a fully managed continuous delivery service that helps you automate your software release process. It allows you to build, test, and deploy your code changes continuously, with each change automatically moving through the pipeline to production.

24. What is AWS CodeDeploy?

AWS CodeDeploy is a fully managed deployment service that automates software deployments to a variety of computing services such as Amazon EC2, AWS Fargate, and Lambda. It allows you to deploy code changes with high availability and reliability.

25. What is AWS CodeCommit?

AWS CodeCommit is a fully managed source control service that enables you to store and manage your code in private Git repositories. It provides secure and scalable hosting of your code repositories, with features such as access control, branch protection, and code reviews.

26. What is AWS CodeBuild?

AWS CodeBuild is a fully managed build service that compiles your source code, runs unit tests, and produces artifacts such as compiled code and binaries. It allows you to build and test your code continuously, with each code change automatically triggering a new build.

27. What is AWS IoT?

AWS IoT is a managed cloud platform that lets connected devices easily and securely interact with cloud applications and other devices. It provides a set of services and software development kits (SDKs) that enable you to connect, manage, and analyze your IoT devices and data.

28. What is AWS CloudFormation?

AWS CloudFormation is a service that enables you to model and provision AWS resources and applications in a repeatable and automated way. It provides a common language for describing infrastructure as code and allows you to manage your infrastructure and applications as code.

29. What is AWS Lambda?

AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers. It automatically scales your application in response to incoming requests and charges you only for the computing time that you consume.

30. What is Amazon CloudFront?

Amazon CloudFront is a content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds. It accelerates the delivery of your static and dynamic web content and reduces your data transfer costs.

31. What is Amazon Polly?

Amazon Polly is a text-to-speech service that uses advanced deep learning technologies to synthesize speech that sounds like a natural human voice. It allows you to create applications that can speak in multiple languages and with different voices.

32. What is AWS Elastic Beanstalk?

AWS Elastic Beanstalk is a fully managed service that makes it easy to deploy, manage, and scale web applications and services developed with popular languages such as Java, .NET, PHP, Node.js, Python, Ruby, and Go. It automatically handles the deployment, capacity provisioning, load balancing, and scaling of your application.

33. What is Amazon WorkSpaces?

Amazon WorkSpaces is a fully managed desktop computing service in the cloud. It allows you to provision virtual desktops for your users and provides them with access to the applications and data that they need from anywhere, on any device.

34. What is AWS Direct Connect?

AWS Direct Connect is a dedicated network connection between your on-premises infrastructure and AWS. It allows you to establish a private and dedicated network connection that bypasses the public internet and provides higher bandwidth and more consistent network performance.

35. What is Amazon SageMaker?

Amazon SageMaker is a fully managed service that provides machine learning (ML) developers and data scientists with the tools to build, train, and deploy ML models. It allows you to quickly and easily build and deploy ML models at scale, with a wide range of supported algorithms and frameworks.

36. What is AWS Cloud9?

AWS Cloud9 is a cloud-based integrated development environment (IDE) that allows you to write, run, and debug your code with just a web browser. It provides a fully-featured IDE with a code editor, debugger, and terminal, and allows you to collaborate with others in real time.

37. What is Amazon MQ?

Amazon MQ is a managed message broker service for Apache ActiveMQ that makes it easy to set up and operate message brokers in the cloud. It allows you to send, receive, and process messages using industry-standard messaging protocols such as MQTT, AMQP, and STOMP.

38. What is Amazon Route 53?

Amazon Route 53 is a scalable and highly available Domain Name System (DNS) service that allows you to route end users to your web applications by translating domain names into IP addresses. It provides a reliable and cost-effective way to route traffic to your applications running on AWS.

39. What is AWS Batch?

AWS Batch is a fully managed batch processing service that allows you to run batch computing workloads on the AWS Cloud. It automatically provisions and scales the required infrastructure, and allows you to schedule and manage your batch jobs using a web interface or API.

40. What is AWS Step Functions?

AWS Step Functions is a fully managed service that allows you to build and run serverless workflows using visual workflows and state machines. It allows you to coordinate the components of your application and automate your business processes, and integrates with a wide range of AWS services.

41. What is AWS Glue?

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to move data between data stores. It allows you to create ETL jobs that can extract data from various sources, transforms it into a common format, and load it into a data store for analysis.

42. What is Amazon Elastic File System (EFS)?

Amazon Elastic File System (EFS) is a fully managed file storage service that provides scalable, highly available, and highly durable storage for your applications and workloads. It supports the NFSv4 protocol and allows you to access your files from multiple EC2 instances concurrently.

43. What is AWS CodeDeploy?

AWS CodeDeploy is a fully managed deployment service that automates the deployment of your applications to EC2 instances, on-premises instances, and Lambda functions. It allows you to deploy your code with confidence and provides you with visibility and control over your deployments.

44. What is Amazon Kinesis?

Amazon Kinesis is a fully managed service for real-time data streaming and processing. It allows you to collect and process large volumes of data in real-time, and provides you with the ability to ingest data from various sources, process it, and store it for analysis.

45. What is Amazon Elastic Container Service (ECS)?

Amazon Elastic Container Service (ECS) is a fully managed container orchestration service that allows you to run and scale containerized applications on the AWS Cloud. It supports Docker containers and provides you with the ability to easily deploy, manage, and scale your applications.

46. What is Amazon Elasticsearch Service?

Amazon Elasticsearch Service is a fully managed service that makes it easy to deploy, operate, and scale Elasticsearch clusters in the AWS Cloud. It allows you to search, analyze, and visualize your data in real-time and provides you with a scalable and reliable solution for your search and analytics workloads.

47. What is AWS Systems Manager?

AWS Systems Manager is a fully managed service that provides you with a unified interface to manage your AWS resources. It allows you to automate common operational tasks, manage patching and compliance, and maintain complete control and visibility of your infrastructure.

48. What is Amazon Aurora?

Amazon Aurora is a MySQL and PostgreSQL-compatible relational database engine that is designed for the cloud. It provides you with high performance, scalability, and durability, and allows you to easily manage your database with minimal downtime.

49. What is Amazon WorkDocs?

Amazon WorkDocs is a fully managed file collaboration service that allows you to store, share, and collaborate on documents with your team. It provides you with secure access to your files from anywhere and allows you to easily collaborate with your team in real-time.

50. What is AWS Security Hub?

AWS Security Hub is a fully managed security service that provides you with a comprehensive view of your security posture across your AWS accounts. It aggregates and prioritizes security findings from various AWS services and third-party solutions, and provides you with actionable insights and recommendations for remediation.