IAM confuses more CLF-C02 candidates than any other AWS topic. Here is a plain-English guide to users, groups, roles, and policies, and why roles beat access keys.
A plain-English guide to every Amazon S3 storage class, the retrieval cost and time tradeoffs, and how SAA-C03 scenarios cue the right choice.
Encoding, scaling, missing data, splits, leakage, and the metrics that matter — the feature engineering and evaluation concepts the AWS MLA-C01 exam leans on.
DynamoDB trips up more DVA-C02 candidates than any other service. Learn partition and sort keys, LSI vs GSI, capacity modes, and why hot partitions happen.
VPC networking trips up more SAA-C03 candidates than any other topic. Here is how subnets, route tables, gateways, security groups, and NACLs actually fit together.
A realistic SAP-C02 study plan for architects who already hold the Associate: how to tackle its four domains, scenario questions, and multi-account design.
SAA-C03, DVA-C02, or the new SOA-C03 CloudOps cert first? An honest breakdown of what each AWS Associate exam tests and who each one is really for.
A domain-by-domain breakdown of the AIF-C01 exam, including the concepts candidates mix up most and how the five content areas actually fit together.
A realistic, domain-by-domain study plan for the AWS Certified Developer - Associate exam, from writing your first Lambda function to booking exam day.
A candid look at who the AWS Certified Cloud Practitioner actually helps, who should skip it, and how to prepare if it's the right first step.