Passing exam with 920-551 latest training materials
Prepare and pass exam with our Nortel 920-551 training material, here you will achieve your dream easily With TrainingQuiz!
Updated: Jul 21, 2026
No. of Questions: 75 Questions & Answers with Testing Engine
Download Limit: Unlimited
The professional and accurate 920-551 Training Materials with the best precise contents is helping canidates pass for sure!
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Nortel 920-551 Exam Overview:
| Certification Vendor: | Nortel |
| Exam Name: | GSM BTS 18000 Installation and Commissioning |
| Exam Number: | 920-551 |
| Passing Score: | 70% |
| Real Exam Qty: | 75-80 |
| Exam Format: | Multiple Choice |
| Available Languages: | English |
| Exam Price: | Not officially listed (legacy exam) |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 90 minutes |
| Recommended Training: | Nortel Official Training (Legacy) |
| Exam Registration: | Registration |
| Sample Questions: | Nortel 920-551 Sample Questions |
| Exam Way: | Proctored exam at authorized test centers (originally Prometric) |
| Pre Condition: | Basic knowledge of GSM networks and radio access systems; relevant field experience recommended |
| Official Syllabus URL: | Not available (Nortel certification program discontinued) |
Nortel 920-551 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Site Preparation and Installation | 25% | - Mechanical installation procedures - Power supply and grounding installation - Site requirements and safety guidelines - Antenna and feeder installation |
| System Overview and Architecture | 20% | - GSM BTS 18000 system structure - Hardware components and modules - Network interfaces and connectivity |
| Testing, Troubleshooting and Maintenance | 10% | - Functional and performance testing - Fault diagnosis and troubleshooting - Preventive maintenance procedures |
| Hardware Verification and Initialization | 20% | - Hardware status verification - Power-on sequence and checks - Firmware loading and initialization |
| Commissioning and Configuration | 25% | - Integration with BSC and core network - Radio frequency configuration - Baseband and signaling configuration - Local and remote access setup |
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