Professional certification prep

Level up, one certification at a time

Structured courses built from the official exam guides, chapter quizzes and mock exams that mirror the real format.

Official exam guides
Every lesson maps to a domain of the official skills outline.
Realistic mock exams
Timed exams, review screen and a detailed score by domain.
Track your progress
Lessons completed, attempt history and badges in your profile.

Catalog

8 certifications

Cloud Paid

Amazon Web Services · Associate

Prepare for AWS SAA-C03: secure, resilient, high-performing and cost-optimized architectures with lessons, chapter quizzes and mock exams.

Cybersecurity Paid

CompTIA · Security+

Prepare for CompTIA Security+ SY0-701: all five domains with lessons, chapter quizzes and full-length practice exams.

Cybersecurity Paid

ISC2 · CISSP

Prepare for the ISC2 CISSP exam: all eight domains with in-depth lessons, chapter quizzes and full-length practice exams.

AI / Machine Learning Paid

Microsoft · Expert

Prepare for Microsoft AB-100: plan, design and deploy agentic AI business solutions with lessons, chapter quizzes and mock exams.

Cloud Paid

Microsoft · Associate (Intermediate)

Prepare for Microsoft AZ-104: identities, storage, compute, networking and monitoring with lessons, chapter quizzes and mock exams.

AI / Machine Learning Paid

Microsoft · Associate (Intermediate)

Prepare for Microsoft AI-103: build AI apps and agents on Azure with Foundry using lessons, chapter quizzes and full-length mock exams.

Software development Paid

Oracle · Oracle Certified Professional

Prepare for Oracle Java SE 21 Developer 1Z0-830: ten objectives with code-driven lessons, chapter quizzes and full-length practice exams.

Languages Paid

ETS · Score-based assessment

Prepare for the TOEIC Listening and Reading test: seven parts, 200 questions, strategy lessons, chapter quizzes and full-length practice tests.