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AWS Learning Blog

AWS Learning Blog

Posts on AWS certifications, serverless, and free-tier portfolios. From Cloud Practitioner basics to SAA-bound architectures and design patterns — written to help learners connect implementation with exam preparation.

25

Published articles

CLF

Cloud Practitioner prep

SAA

Architectures & design patterns

Latest articles

Articles to help with AWS certification study and portfolio implementation.

CLF2026-06-07

AWS Shared Responsibility Model Explained for Beginners

A beginner-friendly overview of the AWS Shared Responsibility Model, a common topic on the Cloud Practitioner exam, covering what AWS is responsible for and what you are responsible for.

#CLF-C02#Shared Responsibility Model#Security#IAM

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CLF2026-06-07

AWS Global Infrastructure for Beginners

Learn the difference between Regions, Availability Zones, and Edge Locations for the AWS Cloud Practitioner exam.

#clf-c02#region#availability-zone#cloudfront

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CLF2026-06-07

AWS Pricing Basics for Cloud Practitioner

A beginner-friendly overview of AWS pricing: pay-as-you-go, the Free Tier, Reserved Instances, and Savings Plans.

#clf-c02#pricing#aws-budgets#cost-explorer

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CLF2026-06-07

IAM Basics for AWS Cloud Practitioner

A clear overview of IAM users, IAM groups, IAM roles, and IAM policies, along with the principle of least privilege.

#CLF-C02#IAM#Security#Least Privilege

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CLF2026-06-07

CloudWatch Basics for Cloud Practitioner Candidates

Understand the roles of CloudWatch Logs, Metrics, and Alarms, connected to real-world monitoring in personal development projects.

#CLF-C02#CloudWatch#Monitoring#Logging

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SAA2026-06-07

Multi-AZ High Availability Design for the SAA Exam

A beginner-friendly summary of Multi-AZ, redundancy, and single points of failure — concepts commonly tested in SAA-C03.

#SAA-C03#Multi-AZ#High Availability#RDS#ALB

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SAA2026-06-07

VPC Public Subnets and Private Subnets for SAA Candidates

A focused overview of VPC, Public Subnets, Private Subnets, Internet Gateways, and NAT Gateways for the AWS SAA exam.

#SAA-C03#VPC#Subnet#NAT Gateway#Internet Gateway

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SAA2026-06-07

Secure Static Site Delivery with S3 and CloudFront OAC

Learn how to serve a static site through CloudFront OAC instead of exposing S3 directly, explained from both SAA exam and portfolio perspectives.

#SAA-C03#S3#CloudFront#OAC#Static Site

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SAA2026-06-07

Choosing Between RDS and DynamoDB for the SAA Exam

A guide to the differences between relational databases and NoSQL, and when to choose RDS or DynamoDB, organized for the SAA exam.

#SAA-C03#RDS#DynamoDB#Database#NoSQL

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SAA2026-06-07

Understanding Decoupled Design with SQS, SNS, and EventBridge

Learn the decoupled design patterns essential for SAA, and how to choose between SQS, SNS, and EventBridge based on their roles.

#SAA-C03#SQS#SNS#EventBridge#Decoupling

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AWS Services2026-06-07

What is Amazon S3? A Beginner's Guide to Object Storage

An overview of Amazon S3 basics, common use cases, billing factors, and security considerations for AWS beginners.

#S3#Storage#CLF-C02#SAA-C03

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AWS Services2026-06-07

What Is AWS Lambda? A Beginner's Guide to Serverless

Learn the basics of AWS Lambda, its benefits and limitations, and how it works with API Gateway and DynamoDB, explained for beginners.

#Lambda#Serverless#API Gateway#DynamoDB

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AWS Services2026-06-07

What Is Amazon API Gateway? A Beginner's Guide to HTTP API

A beginner-friendly overview of API Gateway's role, HTTP API, Lambda integration, and CORS considerations for AWS learners.

#API Gateway#HTTP API#Lambda#CORS

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AWS Services2026-06-07

What Is Amazon DynamoDB? A Beginner's Guide to NoSQL

A beginner-friendly overview of DynamoDB, including tables, partition keys, on-demand billing, and Lambda integration.

#DynamoDB#NoSQL#Lambda#Database

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AWS Services2026-06-07

What Is Amazon CloudFront? A Beginner's Guide to CDN

Learn the basics of CloudFront, CDN, caching, S3 delivery, HTTPS, and invalidation in a beginner-friendly way.

#CloudFront#CDN#S3#Cache

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Portfolio2026-06-07

Why Choose a Serverless Architecture for Your AWS Portfolio

We explain why S3, CloudFront, API Gateway, Lambda, and DynamoDB are the right fit for a personal portfolio project.

#Portfolio#Serverless#S3#CloudFront#Lambda

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Free Tier2026-06-07

Use AWS Budgets to Prevent Surprise Bills in Personal Projects

A practical guide to AWS Budgets for solo developers: what it does, which thresholds to set, and how it differs from Cost Explorer.

#AWS Budgets#Cost Explorer#cost management#personal projects

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Free Tier & Portfolio2026-06-07

Secure AWS Deployments from GitHub Actions with OIDC

Learn how to deploy from GitHub Actions to AWS using OIDC for temporary credentials instead of long-lived access keys.

#GitHub Actions#OIDC#IAM#CI/CD#CloudFront

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Serverless2026-06-07

Building a Contact API with API Gateway + Lambda + DynamoDB

A walkthrough of how a contact form is saved through a serverless API, from frontend submission to DynamoDB storage.

#API Gateway#Lambda#DynamoDB#Contact Form#Serverless

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Serverless2026-06-07

How to Check Lambda Logs in CloudWatch

Learn how to view Lambda execution logs in CloudWatch Logs and use them to investigate errors in a contact form API.

#Lambda#CloudWatch Logs#Operations Monitoring#Serverless

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CLF2026-06-01

How to Study for AWS Cloud Practitioner

A beginner-friendly study guide for AWS Cloud Practitioner (CLF-C02): exam scope, learning order, key AWS services to remember, and how to deepen your understanding through hands-on practice.

#aws#clf-c02#cloud-practitioner#beginner#roadmap

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Portfolio2026-06-01

How to Build a Portfolio Site on the AWS Free Tier

A beginner-friendly guide to building a portfolio site on the AWS Free Tier using S3, CloudFront, Lambda, and DynamoDB.

#aws#free-tier#portfolio#cloudfront#lambda

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Serverless2026-06-01

How to Host a Static Site with S3 and CloudFront

A beginner-friendly guide to the basic architecture for publishing a Next.js static site safely using Amazon S3 and Amazon CloudFront.

#aws#s3#cloudfront#static-site#oac

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Serverless2026-06-01

Lambda and API Gateway Explained for Beginners

A beginner-friendly guide to AWS Lambda and Amazon API Gateway: what each service does, how they differ, how they work together, and how to use them for a contact form API.

#aws#lambda#api-gateway#serverless#backend

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AWS Services2026-06-01

DynamoDB vs RDS: Key Differences for Beginners

A beginner-friendly comparison of Amazon DynamoDB and Amazon RDS, covering data structure, pricing, operations, use cases, and AWS certification exam topics.

#aws#dynamodb#rds#database#comparison

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Want to start from the AWS big picture?

Read these in order — blog posts, AWS glossary, service comparisons, practice questions, and architecture gallery — to connect exam knowledge with implementation.