Cert Notes/ 출퇴근 학습 노트

CLF-C02 · FoundationalCloud Practitioner - Foundational

DVA-C02 · AssociateDeveloper - Associate

SAA-C03 · AssociateSolutions Architect - Associate

Week 1
Week 2
Week 3
Week 4
Week 5
Week 6
Week 7
Week 8
Week 9
Week 10
Week 11
Week 12

SOA-C02 · AssociateCloudOps Engineer - Associate

SAP-C02 · ProfessionalSolutions Architect - Professional

DOP-C02 · ProfessionalDevOps Engineer - Professional

SCS-C03 · SpecialtySecurity - Specialty

MLA-C01 · AssociateMachine Learning Engineer - Associate

AIF-C01 · FoundationalAI Practitioner - Foundational

DEA-C01 · AssociateData Engineer - Associate

MLS-C01 · SpecialtyMachine Learning - Specialty

← All certifications/SAA-C03

Solutions Architect - Associate

12 weeks · 60 days · Associate

Week 1 is available in English as a free preview. The full course is currently Korean-only — view the Korean track.

Start with Week 1

Week 1

Day 1The Map of AWS Infrastructure: Regions, AZs, and the Promise Called Shared Responsibility
Day 2IAM Fundamentals: Who Gets to Do What
Day 3IAM Deep Dive: STS, Permissions Boundaries, and the Shadow of the Confused Deputy
Day 4AWS Organizations, SCP, Control Tower: The Skeleton of Multi-Account Governance
Day 5Week 1 Wrap-Up: Fundamentals and IAM Hardened Through Scenarios

Week 2

Day 1VPC Subnet Routing: The Path a Packet Takes to Reach the Internet
Day 2IGW, NAT Gateway, Bastion: The Bridges Between the Internet and a Private Network
Day 3Security Groups vs NACLs, and What Flow Logs Tell You
Day 4VPC Peering, Transit Gateway, VPC Endpoint: Connections Beyond the VPC
Day 5Week 2 Synthesis: Drawing the Path a Packet Travels One More Time

Week 3

Day 1EC2 Instance Types and Purchase Options: Where Hardware Design Meets Economics
Day 2EBS vs Instance Store: The Trade Between Persistence and Performance, and Choosing a File System
Day 3ELB: The Design Philosophy of Per-Layer Load Balancing and How to Choose Between ALB, NLB, and GLB
Day 4Auto Scaling Groups: Control Theory, Predictive Scaling, and the Art of Graceful Shutdown
Day 5Week 3 Comprehensive Review: Wiring EC2, Storage, ELB, and ASG into a Single Architecture

Week 4

Day 1S3: The Internal Architecture of Object Storage, the Evolution of Its Consistency Model, and Large-Scale Operational Patterns
Day 2S3 Storage Classes and Lifecycle: The Economics of Managing Data Temperature
Day 3S3 Security: The Layered Structure of Access Control, Encryption Key Management, and Data Exfiltration Prevention
Day 4CloudFront and Storage Gateway: The Internal Structure of a CDN and Hybrid Storage Patterns
Day 5Week 4 Comprehensive Review: Turning S3, CloudFront, and Storage Patterns into a Single Decision System

Week 5

Day 1RDS: What It Means to Run a Relational Database in the Cloud
Day 2Aurora: The Relational Database AWS Redesigned From Scratch
Day 3DynamoDB: What It Means to Design in a Schema-less World
Day 4ElastiCache and In-Memory Data Stores: The Physics of Speed
Day 5Week 5 Review: The Art of Choosing a Database

Week 6

Day 1Lambda: What It Really Means to Run Code Without a Server
Day 2API Gateway: The Broker Between Client and Backend
Day 3Step Functions and AppSync: Orchestration and GraphQL
Day 4Containers: ECS, EKS, Fargate, ECR
Day 5Week 6 Review: Serverless + Containers, Put Together

Week 7

Day 1SQS: How a Message Queue Answers the Questions Distributed Systems Ask
Day 2SNS: Topics, Fanout, and How 1:N Notifications Get Made
Day 3EventBridge: How an Event Routing Hub Gathers SaaS, AWS, and Internal Apps in One Place
Day 4Kinesis: How a Real-Time Stream Solves a Different Problem Than a Queue
Day 5Week 7 Review: The Four Models of Messaging and Distributed-System Decisions

Week 8

Day 1KMS: Why Key Management Is the Root of Cloud Security
Day 2Secrets Manager, Parameter Store, and CloudHSM: Three Tools for Handling Secrets and Configuration
Day 3Cognito: Peeling User Authentication Off Into a Cloud Service
Day 4WAF, Shield, GuardDuty, Inspector, Macie: The 5 Pillars of Cloud Security Operations
Day 5Week 8 Wrap-Up: 12 Security Domain Scenarios

Week 9

Day 1CloudWatch: Why Observability Split Into the Three Pillars of Metrics, Logs, and Traces
Day 2CloudTrail: Why an Audit Log Must Be Tamper-Proof
Day 3Config and Systems Manager: How Do You Enforce a Desired State
Day 4X-Ray, Trusted Advisor, Health Dashboard: When One Request Crosses Many Services, How Do You Know Who's Slow?
Day 5Week 9 Synthesis: Threading Observability and Governance Through "Who / When / What / Why"

Week 10

Day 1Why Compute Cost Splits Along Three Axes: Commitment, Market, and Ownership
Day 2Why Storage Cost Is a Function Not of "Unit Price" but of "Access Pattern"
Day 3Why Data Transfer Becomes the Hidden 30% of the Bill
Day 4Why Cost Governance Splits Into Three Stages: Measure, Account, Automate
Day 5Week 10 Synthesis: Binding Cost Optimization Into a Single Way of Thinking

Week 11

Day 1Why Availability Zones and Regions Split Along the Cost Called "Physical Distance"
Day 2Why DR Got Organized into a "Four-Stage Spectrum"
Day 3How DNS Steers Global Traffic with "One Query for a Name"
Day 4Why Migration Is Decided by "How You Can't Move It" More Than "What You're Moving"
Day 5Threading Resilience, DR, and Migration Onto a Single Decision Tree

Week 12

Day 1Why the Security Domain Converges on a Single One-Line Algorithm Called "Policy Evaluation Order"
Day 2Why the Resilience Domain Reduces to Two Variables: "Blast Radius and Replication Mode"
Day 3Why the High-Performance Domain Reduces to "How Close You Keep Data to the User"
Day 4Why the Cost Domain Converges on "a Decision at the Design Stage, Not in Operations"
Day 5What the Exam Asks to the End Is "the Speed of Translating Keywords into Services"