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Updated: Sep 11, 2026
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Nortel 920-553 Exam Overview:
| Certification Vendor: | Nortel |
|---|---|
| Exam Name: | Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network |
| Exam Number: | 920-553 |
| Exam Format: | Multiple choice |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Price: | ≈ 150 USD |
| Passing Score: | 70% |
| Related Certifications: | Other Nortel Networking / NCSS / NCDS certifications |
| Real Exam Qty: | ≈ 60–62 |
| Sample Questions: | Nortel 920-553 Sample Questions |
| Exam Way: | Computer-based test at authorized testing centres |
| Pre Condition: | Recommended networking experience and familiarity with Nortel MSS hardware |
Nortel 920-553 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Carrier VoIP Network Concepts | - Quality and resource management - VoIP protocols and services |
| Topic 2: Management and Monitoring | - Fault detection and troubleshooting - Performance monitoring |
| Topic 3: Overview of the Multiservice Switch 15K/20K-OAM | - Architecture and core components - Carrier VoIP integration concepts |
| Topic 4: Configuration | - Device setup and initial configuration - Protocol and interface configuration |
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