Pay attention on Pass-king 922-057 Practice Materials, clear exam 100% for sure
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Updated: Jul 15, 2026
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Nortel 922-057 Exam Overview:
| Certification Vendor: | Nortel Networks |
| Exam Name: | GSM GPRS PCUSN Maintenance |
| Exam Number: | 922-057 |
| Available Languages: | English |
| Related Certifications: | Nortel GSM / Wireless Carrier Maintenance Certifications |
| Certificate Validity Period: | Retired (Nortel certification program discontinued ~2008–2010 period) |
| Exam Format: | Multiple Choice (reported), Scenario-based Questions (reported) |
| Real Exam Qty: | 100 (reported in practice exam materials) |
| Exam Way: | Computer-based testing at authorized test centers (historically Prometric) |
| Pre Condition: | No strict prerequisites officially documented; typically intended for engineers with basic telecom/GSM knowledge. |
Nortel 922-057 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| GSM Network Fundamentals | - Radio access concepts and signaling basics - GSM architecture and core network elements |
| PCUSN (Packet Control Unit Subsystem Node) Maintenance | - Fault detection and troubleshooting procedures - System configuration and operation |
| Maintenance and Troubleshooting Procedures | - Alarm handling and diagnostics - System performance monitoring |
| GPRS Packet Core Network | - Packet data routing and mobility management - SGSN and GGSN functions |
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