GSM BSS Operations and Maintenance (920-552) GSM radio access networks depend on technicians who understand baseband subsystem architecture before troubleshooting. The 920-552 exam expects foundational knowledge of cellular signaling protocols, RF fundamentals, and network switching concepts. Without prior exposure to 2G/3G infrastructure or telecom operations, candidates struggle with questions on air interface management and base station resource allocation.
| Exam Name | GSM BSS Operations and Maintenance |
| Exam Code | 920-552 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
