In this video of code decode we have covered top aws interview questions asked to 2+ years of experienced developers
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*Q) So what is AWS-*
- AWS stands for Amazon Web Services. Think of it as a *big collection of computer servers* and **services **that are connected to the internet and hosted by Amazon.
- Imagine you have a business and you need a place to store all your files and data. Instead of buying your own servers and setting them up in a room, you can use AWS. It's like renting space in a huge warehouse where you can store all your information.
- AWS provides different types of services. For example, if you need a place to store your files, you can use Amazon S3, which is like a big virtual storage room. If you want to build a website or an application, you can use Amazon EC2, which is like renting a computer in the cloud that runs your software.
**Q) What are the key components of AWS? **
- *Amazon EC2* (Elastic Compute Cloud): This is a web service that provides virtual servers, known as instances, in the cloud. It allows you to easily create and manage virtual machines to run your applications or host your websites.
- **Amazon S3 **(Simple Storage Service): S3 is a scalable storage service that enables you to store and retrieve data, such as files, images, and videos, over the internet. It provides high durability, availability, and security for your stored objects.
- *Amazon RDS* (Relational Database Service): RDS is a managed database service that simplifies the setup, operation, and scaling of relational databases, such as MySQL, PostgreSQL, Oracle, or SQL Server. It takes care of administrative tasks, such as backups and software patching, allowing you to focus on your applications.
- **Amazon VPC **(Virtual Private Cloud): VPC allows you to create a private network within the AWS cloud. It provides isolation and security for your resources and enables you to define subnets, configure routing, and control network access using security groups and network ACLs.
- **Amazon IAM **(Identity and Access Management): IAM is a service that helps you manage access to AWS resources securely. It allows you to create and manage users, groups, and roles, and assign fine-grained permissions to control who can access which resources.
- **AWS Lambda**: Lambda is a serverless computing service that enables you to run your code without provisioning or managing servers. You can upload your code, and Lambda automatically handles the infrastructure and scales it based on incoming requests.
- **Amazon SNS **(Simple Notification Service): SNS is a messaging service that allows you to send notifications and messages to subscribed endpoints or clients. It supports various delivery protocols, including email, SMS, mobile push notifications, and HTTP/HTTPS endpoints.
- **Amazon CloudWatch**: CloudWatch is a monitoring and observability service that provides insights into your AWS resources and applications. It collects and tracks metrics, monitors log files, sets alarms, and generates visualizations to help you monitor and troubleshoot your infrastructure.
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