AWS FAQs

Q: What is AWS Lambda?

AWS Lambda is the amazon service that lets you run code without provisioning or managing servers. You only pay for the compute time you use. There is only a charge when the code is running.
Lambda, allows you run code for virtually any type of application or backend service – all with zero administration.

Q: What is serverless computing?

Serverless computing lets you to build and run applications and services without thinking about physical servers. With serverless computing, your application still runs on servers, but all the server management is done in the cloud by AWS.

Central to serverless computing is AWS Lambda, which lets you run your code without provisioning or managing servers.

Q: What is Amazon S3?

Amazon Simple storage Service (S3) is storage for the Internet. It offers software developers a highly-scalable, reliable, and low-latency data storage infrastructure at very low costs.

Q: What can I do with Amazon S3?

Amazon S3 provides a user interface that you can use to store and retrieve any amount of data, whenever and where-ever you are on the web. Developers can easily build applications that make use of Internet storage.
Amazon S3 is highly scalable pay as you go service, developers may start small and scale their applications as they choose, without compromising performance or reliability.

Q. What is amazon cloudwatch

Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS. You can use Amazon CloudWatch to collect and track metrics, monitor log files, and set alarms.

Amazon CloudWatch can monitor AWS most resources such as Amazon EC2 instances, Amazon DynamoDB tables, and Amazon RDS DB instances.

Q. How do you pay for AWS?

All AWS services are Pay-as-you-go
Pay-as-you-go pricing lets you easily adapt to changing business needs without overspending budgets and improving your ability to change.

By paying for services on an as needed basis, you can redirect your focus to innovation and invention, reducing procurement complexity and enabling your business to be fully elastic.

Q: What is Amazon Redshift?

Amazon Redshift is a fast, fully managed data warehouse service that let you cost-effectively analyze all your data using standard SQL and your existing Business Intelligence (BI) tools.

You can run complex analytic queries against petabytes of structured data, using sophisticated query optimization, columnar storage on high-performance local disks, and massively parallel query execution.

Q: What is AWS Identity and Access Management (IAM)?

Use AWS IAM to securely control individual and group access to your AWS resources. Create and manage user identities (“IAM users”) and grant permissions for those IAM users to access your resources.

Q: Who can use IAM?

All AWS customers can use IAM. The service is offered at no extra charge. You will be charged only for the use of additional AWS services by your users.