Nortel 920-553 Exam Information and Actual Questions
- Exam Code/Number: 920-553
- Exam Name/Title: Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network
- Certification Provider: Nortel
- Corresponding Certification: NCSS
- Exam Questions: 50
- Updated On: Oct 09, 2026
920-553
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Nortel
920-553 Exam
Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network
Nortel 920-553 Exam Overview:
| Certification Vendor: | Nortel |
|---|---|
| Exam Name: | Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network |
| Exam Number: | 920-553 |
| Available Languages: | English |
| Exam Duration: | 90–120 |
| Real Exam Qty: | 50–62 |
| Certificate Validity Period: | 2–3 years |
| Exam Price: | USD 125–200 |
| Passing Score: | 70% |
| Exam Format: | Multiple Choice |
| Exam Registration: | Pearson VUE (historical provider) |
| Sample Questions: | Nortel 920-553 Sample Questions |
| Exam Way: | Computer-based testing (onsite at authorized test centers) |
| Pre Condition: | No formal prerequisites; recommended experience with Nortel Multiservice Switch and VoIP technologies |
Nortel 920-553 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Fault Management & Troubleshooting | 25% | - Alarm and event handling - Diagnostic tools and commands - Troubleshooting VoIP and service issues |
| Maintenance & Operational Procedures | 10% | - Service continuity and redundancy - Best practices for OAM operations - Software upgrades and backups |
| Configuration of OAM Functions | 25% | - OAM provisioning and setup - Connectivity verification protocols - Fault management configuration |
| Performance Monitoring & Statistics | 20% | - QoS and traffic monitoring - Performance metrics collection - Report generation and analysis |
| OAM Fundamentals in Carrier VoIP Networks | 20% | - Carrier VoIP network architecture overview - Multiservice Switch 15K/20K platform basics - OAM concepts and standards |
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