(Mức độ trung cấp, thi thực tế, rất nhiều scenario)
IAM Core (Policies, Roles, STS, AssumeRole)
KMS Encryption (SSE-S3, SSE-KMS, Encryption in Transit)
Secrets Manager vs Parameter Store
Shield, WAF, Firewall Manager
Security Group vs NACL
VPC Endpoints (Gateway, Interface)
NAT Gateway & Bastion Host
PrivateLink
EC2 Instance Types (T, M, C, R, P, G)
Spot / Reserved / On-Demand
Auto Scaling: Plans, Predictive Scaling
Elastic Load Balancer (ALB/NLB/CLB)
S3: Versioning, Lifecycle, Intelligent-Tiering
S3 Replication (CRR, SRR)
EBS Types (gp3, io2, sc1, st1)
EFS Standard vs Infrequent Access
Backup & Disaster Recovery (Multi-AZ vs Multi-Region)
RDS (Multi-AZ, Read Replica)
Aurora Serverless v1/v2
DynamoDB (GSI, LSI, Partition Key, On-demand)
ElastiCache (Redis/Memcached)
SQS (Standard vs FIFO)
SNS
EventBridge
Step Functions
EC2 Saving Plans vs Compute Savings
S3 Lifecycle & Tiering
DynamoDB On-Demand vs Provisioned
Trusted Advisor Cost Checks
Spot Instance Best Practices
✔ AWS Official Exam Guide
✔ AWS Skill Builder (Free + Subscription)
✔ AWS Whitepapers (bắt buộc đọc):
Well-Architected Framework
Security Pillar
Cost Optimization Pillar
✔ Udemy: Stephane Maarek (phổ biến nhất)
✔ Tutorials Dojo / Jon Bonso (đề thi sát nhất)