AWS Cloud Practitioner Study Session Thirteen

January 03, 2026

2026 aws cloud studies aws cloud practitioner study sessions well architected framework architecture

I am taking the AWS Cloud Practitioner Exam in approximately one day and want to ensure I am prepared. This series will serve as non-exhaustive note taking for the information that I am internalizing as I go.

ChatGPT Summary:

AWS Specialized Services & Well-Architected Framework

Exam-Focused Summary with Benefits, Use Cases, and Memory Aids

Four Types of Specialized Services

AWS offers services grouped into Development, Business, End-User Computing, and IoT.

Category Key Services Purpose / Use Case
Development Services AWS CodeBuild, CodePipeline, X-Ray, AppSync, Amplify Supports full-stack application development: CI/CD, debugging, performance tracing, API management, rapid feature integration (auth, storage, hosting)
Business Application Services AWS Connect, Amazon SES Manage customer service, communications, and business operations at scale
End-User Computing Services AppStream 2.0, WorkSpaces, WorkSpaces Secure Browser Stream applications and desktops to users securely, remotely, or via browsers
IoT Services AWS IoT Core Securely connect physical devices to cloud apps, collect and exchange sensor data

Notes:

🧠 Memory Tip: D-B-E-I → Development, Business, End-user, IoT

AWS Well-Architected Framework

Designed to help design, evaluate, and improve cloud workloads based on six key pillars:

Pillar Key Focus
Operational Excellence Monitoring, automation, operations, continuous improvement
Security Protect systems/data; least privilege, integrity, encryption
Reliability Recovery planning, fault tolerance, system adaptability
Performance Efficiency Right-sizing resources, scaling, efficiency over time
Cost Optimization Manage costs through smart provisioning and usage
Sustainability Energy-efficient design and environmentally conscious resource use

AWS Well-Architected Tool

🧠 Memory Tip for Pillars:

O-S-R-P-C-S → Operational, Security, Reliability, Performance, Cost, Sustainability
“Oscar Saw Really Perfect Cloud Systems” – silly mnemonic to make it stick

💡 Exam Tip:


Study materials:


Raw Input Notes:

Four Types of Specialized Services

Full-stack applications are software systems that involve front-end (user interface) and backend (server side) development.

With GraphQL clients request only for the specific data they need

Business Application Services: Managing business application needs such as customer service ops and email promotion.

End-user Computing Services: Network of connected physical devices embedded with sensors and software.

IoT Services: Network of connected physical devices embedded with sensors and software that collect and exchange data over internet.

Key Takeaways: Well-Architected Framework Pillars:

AWS Well Architected Tool: