AI & Data
AWS SAA-C03: Aurora High Availability and Global Databases
Amazon Aurora separates database compute from a distributed storage layer, which changes how architects think about high availability compared with…
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Browse practical guides, technical explanations and certification coverage.
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…
Infrastructure & Systems
AWS SAA-C03: Cost Optimization with Compute and Storage Choices
Cost optimization in AWS is an engineering discipline, not a monthly exercise in finding the largest line item and shrinking…
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…
Cybersecurity
Microsoft SC-200: Incident Investigation Across Defender XDR
Microsoft Defender XDR is designed to correlate signals from endpoints, identities, email and collaboration, cloud apps, and integrated Microsoft Sentinel…
Cybersecurity
Microsoft SC-200: KQL Queries That Matter for Security Analysts
Kusto Query Language is the working language behind much of Microsoft Sentinel and Defender XDR hunting. Security analysts do not…
Cybersecurity
Microsoft SC-200: MITRE ATT&CK in Microsoft Security
MITRE ATT&CK gives security teams a common vocabulary for adversary tactics and techniques. Microsoft security products use that vocabulary in…
Cybersecurity
Microsoft SC-200: Threat Hunting with Microsoft Sentinel
Threat hunting begins where ordinary alert processing ends. An alert tells the security team that a rule or product found…
Technology Fundamentals
Microsoft SC-200: Tuning Detections to Reduce Alert Fatigue
Alert fatigue is not solved by making the SOC care less about alerts. It is solved by engineering detections that…
AI & Data
AWS AIF-C01: Choosing AI Services for Business Use Cases
AWS offers AI services at very different levels of abstraction. A team can call a managed API for document extraction,…
AI & Data
AWS AIF-C01: Foundation Models & Generative AI
Foundation models change the way applications are built because much of the model capability already exists before the application team…