Study Guides by David Lai

Certification study, on your phone.

A growing collection of focused mobile study guides for cloud and IT certifications, built by David Lai.

Available Guides

AZ-104 Study Guide app icon

AZ-104: Microsoft Azure Administrator

Practice questions, focused topic reviews, and an AI tutor for the Microsoft Certified: Azure Administrator Associate exam.

Download on the App Store
CCA-F Study Guide app icon

CCA-F: Claude Certified Architect – Foundations

Practice questions, focused topic reviews, and an AI tutor for Anthropic's Claude Certified Architect – Foundations exam.

Download on the App Store
SAP-C02 Study app icon

SAP-C02: AWS Solutions Architect – Professional

Scenario-based practice questions, focused topic reviews, and an AI tutor for the AWS Certified Solutions Architect – Professional exam.

Coming soon to the App Store