Cloud Computing
AWS SAA-C03: Transit Gateway for Multi-VPC Networks
AWS Transit Gateway is valuable when a cloud network has outgrown a web of VPC peering connections, VPN attachments, and…
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Cloud Computing
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140 published articles in this category.
Cloud Computing
AWS SAA-C03: VPC Design for Multi-Tier Applications
A multi-tier VPC design should make the application’s trust boundaries visible in the network rather than placing every component in…
Cloud Computing
AWS SAA-C03: Auto Scaling Design for Variable Workloads
Amazon EC2 Auto Scaling is often summarized as “add instances when CPU is high,” but production scaling design is more…
Cloud Computing
AWS SAA-C03: CloudFront Origin Design and Cache Behavior
Amazon CloudFront can look deceptively simple: point a distribution at an origin, choose a cache policy, and let edge locations…
Cloud Computing
AWS SAA-C03: Availability Zone Design
Availability Zones are one of the most important AWS architecture primitives because they let teams separate resources across independent facilities…
Cloud Computing
AWS SAA-C03: DynamoDB Partition Keys and Capacity Design
Amazon DynamoDB can scale to extremely large workloads, but that scalability depends on how keys and access patterns are designed.…
Cloud Computing
AWS SAA-C03: ECS vs EKS vs Lambda for Application Platforms
Choosing between Amazon ECS, Amazon EKS, and AWS Lambda is really a decision about execution model and operational ownership. All…
Cloud Computing
AWS SAA-C03: Elastic Load Balancing Across Application Tiers
Elastic Load Balancing sits at the boundary between clients and application capacity, but it is more than a device that…
Cloud Computing
AWS SAP-C02: Direct Connect and VPN Resilience Patterns
Hybrid connectivity is often designed as if “a Direct Connect” or “a VPN” were complete architectures. They are only components.…
Cloud Computing
AWS SAP-C02: Hybrid DNS with Route 53 Resolver
Hybrid DNS becomes an architecture problem as soon as workloads in AWS need to resolve private names hosted on premises…
Cloud Computing
Microsoft SC-100: Defender for Cloud Posture Management
Cloud posture management is the discipline of continuously finding configuration, exposure, permission, and vulnerability conditions that make compromise more likely.…
Cloud Computing
Microsoft AI-102: Azure Developer Path After AZ-204
Microsoft retired AZ-204 and the Azure Developer Associate certification on July 31, 2026. That change is more than an exam-code…
Cloud Computing
Microsoft AZ-305: Hybrid Connectivity to Azure
Hybrid connectivity is not just a network link between an office and a virtual network. It is the path that…
Cloud Computing
Microsoft AZ-305: Storage Design for High-Scale Azure Applications
Storage design at scale is not a choice between “SQL” and “NoSQL,” nor is it solved by picking the service…
Cloud Computing
Microsoft AZ-400: DevSecOps Controls in Azure Delivery Pipelines
DevSecOps is strongest when security becomes part of the delivery decision rather than a report created after software is already…