(AAADM) Certified Door Systems Technician (CDST) Door systems span mechanical locks, electronic access controls, and fire-rated hardware—each requiring distinct troubleshooting approaches. CDST assumes you’ve installed or maintained these components and understand building codes governing egress. Gaps in pneumatic closer operation or ADA compliance basics will surface immediately during scenario questions.
| Exam Name | (AAADM) Certified Door Systems Technician |
| Exam Code | CDST |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
