AWS Cloud Fundamentals: A Beginner’s Guide to Core AWS Services
Learn the fundamentals of AWS Cloud and understand how core services such as EC2, S3, IAM, VPC, and RDS work together to build and deploy applications.
AWS Cloud Fundamentals: A Beginner’s Guide
Cloud computing has changed how applications are developed, deployed, and managed. Instead of purchasing and maintaining physical servers, organizations can use cloud platforms to access computing resources on demand.
Amazon Web Services (AWS) provides a large collection of cloud services for computing, storage, databases, networking, security, monitoring, and more.
In this article, we will understand some of the most important AWS services that beginners should learn.
What is AWS?
AWS (Amazon Web Services) is a cloud computing platform that provides IT resources over the internet.
For example, instead of purchasing a physical server to host an application, we can use Amazon EC2 to create a virtual server in the AWS Cloud.
AWS provides services that can help organizations build, deploy, and scale applications without managing all the underlying physical infrastructure.
Important AWS Services for Beginners
1. Amazon EC2
Amazon EC2 (Elastic Compute Cloud) provides resizable virtual servers in the AWS Cloud.
EC2 can be used to:
- Host websites
- Run backend applications
- Deploy APIs
- Run development environments
- Process workloads
EC2 is one of the fundamental services for understanding cloud computing.
2. Amazon S3
Amazon S3 (Simple Storage Service) is an object storage service.
It can be used to store:
- Images
- Videos
- Documents
- Backups
- Application files
- Static website files
S3 is designed to provide highly scalable storage for different types of data.
3. AWS IAM
AWS IAM (Identity and Access Management) helps control access to AWS resources.
IAM can be used to manage:
- Users
- Groups
- Roles
- Permissions
- Policies
Security is an important part of cloud computing, so understanding IAM should be one of the first steps for AWS beginners.
4. Amazon VPC
Amazon VPC (Virtual Private Cloud) allows us to create a logically isolated network in AWS.
A VPC can include:
- Subnets
- Route tables
- Internet gateways
- Security groups
- Network access controls
Understanding VPC helps beginners learn how applications communicate securely inside the AWS environment.
5. Amazon RDS
Amazon RDS (Relational Database Service) is a managed relational database service.
It supports database engines such as MySQL and PostgreSQL.
RDS helps developers use relational databases without having to manage every aspect of the underlying database infrastructure themselves.
How These Services Work Together
AWS services are often used together rather than independently.
For example, a simple web application could use:
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2
3
4
5
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7
User
↓
Internet
↓
EC2
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