01. Site-to-Site VPN vs. Direct Connect
02. DynamoDB GSI vs. LSI
03. Block vs. File vs. Object Storage
04. Gateway Endpoint vs. VPC Endpoint
05. Security Group vs. Network ACL
06. Scalability vs. Elasticity
07. Relational vs. Non-Relational Databases
08. Amazon SNS vs. Amazon SQS
09. DynamoDB – Autoscaling vs. Provisioned Capacity
10. Application vs. Network Load Balancer
11. EC2 Auto Scaling vs. AWS Auto Scaling
12. Amazon EC2 – Pricing Options
13. Private IP vs. Public IP vs. Elastic IP
14. AWS KMS vs. CloudHSM
15. Disaster Recovery – RPO vs. RTO