Top 50 FAQs for AWS

1. What is Amazon Web Services (AWS)?

Ans:- AWS is a cloud computing platform provided by Amazon, offering a wide range of services, including computing power, storage, databases, machine learning, analytics, and more.

2. How can I get started with AWS?

Ans:- To get started with AWS, you can create an AWS account on the AWS website. Once registered, you can access the AWS Management Console to start using AWS services.

3. What is the AWS Free Tier?

Ans:- The AWS Free Tier provides limited free access to a variety of AWS services for 12 months, allowing users to explore and experiment with AWS without incurring charges.

4. What are some key AWS services for compute resources?

Ans:- Key compute services include Amazon EC2 (virtual servers), Amazon ECS (container orchestration), AWS Lambda (serverless computing), and AWS Elastic Beanstalk (application deployment).

5. How does AWS handle data storage?

Ans:- AWS offers various storage services, such as Amazon S3 (object storage), Amazon EBS (block storage), Amazon Glacier (cold storage), and Amazon RDS (relational database storage).

6. What is Amazon S3 and how is it used?

Ans:- Amazon S3 (Simple Storage Service) is an object storage service used to store and retrieve any amount of data. It is commonly used for backup, archiving, and static website hosting.

7. What is AWS Lambda, and how does it work?

Ans:- AWS Lambda is a serverless computing service that allows you to run code without provisioning or managing servers. It executes functions in response to events triggered by AWS services or custom events.

8. What is Amazon EC2, and how is it used?

Ans:- Amazon EC2 (Elastic Compute Cloud) provides scalable virtual servers in the cloud. Users can choose from various instance types and easily scale capacity up or down based on demand.

9. What is AWS Elastic Beanstalk, and how does it simplify application deployment?

Ans:- AWS Elastic Beanstalk is a fully managed service that makes it easy to deploy and run applications in multiple languages. It abstracts the underlying infrastructure, allowing developers to focus on writing code.

10. How does AWS handle database services?

Ans:- AWS provides various managed database services, including Amazon RDS (relational databases), Amazon DynamoDB (NoSQL databases), Amazon Redshift (data warehousing), and more.

11. What is Amazon RDS, and what databases does it support?

Ans:- Amazon RDS (Relational Database Service) is a managed database service that supports various relational database engines, including MySQL, PostgreSQL, Oracle, Microsoft SQL Server, and MariaDB.

12. What is Amazon VPC, and how does it help in networking?

Ans:- Amazon VPC (Virtual Private Cloud) allows users to provision a logically isolated section of the AWS Cloud, providing control over the virtual networking environment, including IP address ranges, subnets, and route tables.

13. How does AWS support container orchestration?

Ans:- AWS provides Amazon ECS (Elastic Container Service) and Amazon EKS (Elastic Kubernetes Service) for container orchestration, allowing users to deploy and manage containerized applications.

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

Ans:- AWS IAM is a service that enables users to securely control access to AWS services and resources. It allows the creation and management of users, groups, and permissions.

15. What is AWS CloudFormation, and how does it help in infrastructure as code (IaC)?

Ans:- AWS CloudFormation is a service that allows users to define and provision AWS infrastructure as code. It enables the automated creation and management of AWS resources.

16. How does AWS support serverless computing with Lambda?

Ans:- AWS Lambda allows developers to run code without provisioning or managing servers. It automatically scales and executes code in response to events, charging only for the compute time consumed.

17. What is Amazon DynamoDB, and how is it used for NoSQL databases?

Ans:- Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. It is used for applications requiring low-latency data access.

18. What is Amazon Route 53, and how does it support domain registration and DNS services?

Ans:- Amazon Route 53 is a scalable domain name system (DNS) web service that provides domain registration, DNS routing, and health checking of resources within AWS or on-premises.

19. What is Amazon CloudWatch, and how does it help in monitoring AWS resources?

Ans:- Amazon CloudWatch is a monitoring service that provides real-time visibility into AWS resource utilization, application performance, and operational health. It collects and monitors log data and provides alarms and dashboards.

20. How does AWS support machine learning and artificial intelligence?

Ans:- AWS offers machine learning services such as Amazon SageMaker for building, training, and deploying machine learning models, as well as AI services like Amazon Rekognition and Amazon Comprehend.

21. What is AWS Elastic Load Balancing, and how does it distribute traffic?

Ans:- AWS Elastic Load Balancing automatically distributes incoming application traffic across multiple targets (such as EC2 instances, containers, or IP addresses) to ensure availability and fault tolerance.

22. How can I secure my AWS resources?

Ans:- AWS provides various security services and features, including AWS Identity and Access Management (IAM), Virtual Private Cloud (VPC), AWS Key Management Service (KMS), and AWS WAF (Web Application Firewall).

23. What is AWS Key Management Service (KMS), and how does it help in encryption?

Ans:- AWS KMS is a managed service that makes it easy to create and control the encryption keys used to encrypt data. It integrates with various AWS services for secure data storage and access.

24. What is AWS Lambda Layers, and how do they enhance serverless functions?

Ans:- AWS Lambda Layers allow users to centrally manage code and data that is shared across multiple Lambda functions. It simplifies code reuse and management in serverless architectures.

25. How does AWS support hybrid cloud deployments?

Ans:- AWS provides services like AWS Direct Connect and AWS VPN to enable secure and low-latency connections between on-premises data centers and AWS cloud resources, facilitating hybrid cloud deployments.

26. What is Amazon S3 Glacier, and how is it used for long-term storage?

Ans:- Amazon S3 Glacier is a storage service designed for long-term archival of data. It provides low-cost storage options with different retrieval options based on data access needs.

27. How does AWS support edge computing with AWS IoT Greengrass?

Ans:- AWS IoT Greengrass extends AWS to edge devices, allowing local processing and communication. It enables IoT devices to run Lambda functions and connect securely to the cloud.

28. What is AWS CloudTrail, and how does it help in auditing AWS resource usage?

Ans:- AWS CloudTrail records API calls made on an account, providing audit logs for actions taken by users, applications, or AWS services. It helps in tracking changes and troubleshooting issues.

29. What is Amazon Elastic File System (EFS), and how is it used for scalable file storage?

Ans:- Amazon EFS provides scalable file storage for use with Amazon EC2 instances. It supports multiple instances accessing the same file system concurrently, making it suitable for shared storage scenarios.

30. How does AWS support serverless application deployment with AWS SAM?

Ans:- AWS Serverless Application Model (AWS SAM) is an open-source framework for building serverless applications. It extends AWS CloudFormation to simplify the deployment of serverless resources.

31. What is AWS Marketplace, and how does it provide third-party software solutions?

Ans:- AWS Marketplace is a digital catalog that offers software solutions from third-party vendors. It allows users to find, buy, and deploy software solutions directly on AWS.

32. How does AWS support content delivery with Amazon CloudFront?

Ans:- 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.

33. What is AWS WAF, and how does it protect web applications?

Ans:- AWS WAF (Web Application Firewall) helps protect web applications from common web exploits by allowing users to set up rules for controlling which traffic is allowed or blocked to their web applications.

34. How does AWS support containerized applications with Amazon EKS?

Ans:- Amazon EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service that simplifies the deployment, management, and scaling of containerized applications using Kubernetes.

35. What is AWS Step Functions, and how does it help in building serverless workflows?

Ans:- AWS Step Functions is a serverless orchestration service that enables users to coordinate the execution of distributed applications using visual workflows. It simplifies the coordination of AWS services.

36. What is AWS Fargate, and how does it simplify container deployment?

Ans:- AWS Fargate is a serverless compute engine for containers. It allows users to run containers without managing the underlying infrastructure, providing a simplified way to deploy and scale containers.

37. How does AWS support streaming data with Amazon Kinesis?

Ans:- Amazon Kinesis is a platform for building real-time streaming data applications. It includes services like Kinesis Data Streams, Kinesis Data Firehose, and Kinesis Data Analytics for processing and analyzing streaming data.

38. What is AWS Cloud9, and how does it provide an integrated development environment (IDE)?

Ans:- AWS Cloud9 is a cloud-based integrated development environment (IDE) that allows users to write, run, and debug code directly from a web browser. It supports multiple programming languages.

39. How does AWS support internet of things (IoT) with AWS IoT Core?

Ans:- AWS IoT Core is a managed cloud service that enables the secure and scalable communication between IoT devices and the AWS Cloud. It supports device communication, management, and security.

40. What is AWS App Mesh, and how does it help in microservices communication?

Ans:- AWS App Mesh is a service mesh that makes it easy to monitor and control microservices running on AWS. It provides observability and traffic control for microservices architectures.

41. How does AWS support serverless data processing with AWS Glue?

Ans:- AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load data for analysis. It supports data discovery, transformation, and integration.

42. What is AWS CodePipeline, and how does it support continuous integration and continuous delivery (CI/CD)?

Ans:- AWS CodePipeline is a continuous integration and continuous delivery (CI/CD) service that automates the build, test, and deployment phases of the release process.

43. What is AWS Secrets Manager, and how does it help in managing sensitive information?

Ans:- AWS Secrets Manager is a service that helps protect access to applications, services, and IT resources without the upfront investment and on-going maintenance costs of operating infrastructure.

44. How does AWS support big data processing with Amazon EMR?

Ans:- Amazon EMR (Elastic MapReduce) is a cloud-based big data platform that enables processing of large datasets using popular frameworks such as Apache Spark and Apache Hadoop.

45. What is AWS Cloud9, and how does it provide an integrated development environment (IDE)?