About
CertifyDeck is a practice platform for IT certification exams in cloud, data and AI. Every question is original, written from the official exam guide, and comes with an explanation of why the right answer is right and why the other options are wrong.
For each certification you get:
Practice questions by domain, weighted like the real exam, with instant explanations
Timed mock exams that follow the official length and question types
A study guide organized by the official domains, with progress tracking
Questions and explanations in English and Spanish
Catalog (October 2026): 30+ certifications from AWS (CLF-C02, AIF-C01, SAA-C03, DVA-C02, MLA-C02, DEA-C01), Microsoft (AZ-900, AZ-104, AZ-305, AZ-400, AI-103, SC-200, SC-300, PL-300, DP-600, DP-700 and more), Google Cloud (Cloud Digital Leader, Associate Cloud Engineer, Generative AI Leader), GitHub (GH-300) and Databricks (Generative AI Engineer Associate).
Start for free with no sign-up or credit card, including 10 sample questions per certification. Full access is a one-off payment per certification, with no subscription.