Choosing between AWS Transit Gateway, VPC peering, and AWS PrivateLink becomes much easier when the design question is framed correctly. These services are often grouped […]
SAA-C03 — Solutions Architect Associate
Amazon AWS SAA-C03: DynamoDB vs Aurora Serverless
DynamoDB and Aurora Serverless can both remove much of the capacity administration associated with traditional databases, but that similarity is superficial. Amazon DynamoDB is a […]
Amazon AWS SAA-C03: Event-Driven Serverless Architecture on AWS
An event-driven AWS application separates synchronous request admission from asynchronous execution, buffering and fan-out. API Gateway can front a request, Lambda performs bounded computation, SQS […]
Amazon AWS SAA-C03: CloudFront vs Global Accelerator
Amazon CloudFront and AWS Global Accelerator both use the AWS global network and edge infrastructure to improve application performance, but they operate at different layers […]
Amazon AWS SAA-C03: EFS, FSx, or S3 for Storage?
Amazon EFS, Amazon FSx, and Amazon S3 can all hold application data, but they expose that data through very different storage models. EFS is a […]
Amazon AWS SAA-C03: Which AWS Load Balancer Should You Use?
AWS offers several Elastic Load Balancing options because the traffic decision itself can happen at different layers. An architect choosing between Application Load Balancer (ALB), […]
Amazon AWS SAA-C03: RDS Multi-AZ vs Read Replicas
Amazon RDS Multi-AZ deployments and read replicas both create additional database instances or copies, but they exist for different reasons. Multi-AZ is primarily an availability […]
Amazon AWS SAA-C03: S3 Storage Classes, Lifecycle Rules, and Replication
Amazon S3 architecture is not just a choice between “hot” and “archive” storage. A good design separates three decisions: which storage class fits the access […]
Amazon AWS SAA-C03: Organizations, IAM Identity Center, and SCPs
Large AWS environments need more than IAM policies inside individual accounts. AWS Organizations provides the account hierarchy and organization-wide policy boundary, IAM Identity Center provides […]
Amazon AWS SAA-C03: Route 53 Routing Policies
Amazon Route 53 routing policies determine how authoritative DNS answers are selected when multiple records or endpoints could satisfy a query. They do not turn […]