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Updated: Jul 26, 2026
No. of Questions: 45 Questions & Answers with Testing Engine
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Nortel 920-123 Exam Overview:
| Certification Vendor: | Nortel |
| Exam Name: | NCSS-BayStack/BPS Switching Exam |
| Exam Number: | 920-123 |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Exam Price: | $65.00 USD |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 45-62 |
| Exam Format: | Multiple Choice, Scenario-Based |
| Related Certifications: | Nortel Certified Design Specialist (NCDS) Nortel Certified Technology Specialist (NCTS) |
| Recommended Training: | Nortel Official BayStack Training |
| Exam Registration: | Prometric Registration |
| Sample Questions: | Nortel 920-123 Sample Questions |
| Exam Way: | Computer-based testing at Prometric centers |
| Pre Condition: | None required; basic networking knowledge recommended |
| Official Syllabus URL: | Retired, original URL no longer available |
Nortel 920-123 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Initial Configuration | 25% | - Software Setup and Initialization - Physical Installation and Cabling - Basic IP Configuration |
| VLANs and Trunking | 20% | - Inter-VLAN Routing - VLAN Configuration and Management - 802.1Q Trunking |
| Management, Monitoring and Troubleshooting | 20% | - SNMP, Logging and Monitoring - Diagnostics and Fault Resolution - CLI and Web-based Management |
| BayStack/BPS Switching Fundamentals | 20% | - Layer 2 Protocols and Standards - Hardware Architecture and Components - Switching Concepts and Operations |
| Resilience and Redundancy | 15% | - Redundant Power and Failover - Spanning Tree Protocol (STP/RSTP) - Link Aggregation |
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