Certified Telecommunications Network Specialist (CTNS) The CTNS delivers two sections across four hours a 90-question multiple-choice portion testing foundational concepts, followed by a 30-question scenario-based component that mirrors real network troubleshooting situations. This dual-format structure ensures you’re evaluated on both theoretical knowledge and practical application, with questions weighted toward circuit switching, VoIP architecture, and transmission protocols.
| Exam Name | Certified Telecommunications Network Specialist |
| Exam Code | CTNS |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |


