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100% Nortel 920-123 Guaranteed Success With Testing Engine

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Exam Code: 920-123

Exam Name: NCSS-BayStack/BPS Switching Exam

Updated: Jul 18, 2026

Number: 45 Q&As with Testing Engine

920-123 Free Demo download

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Nortel 920-123 Exam Overview:

Certification Vendor:	Nortel Networks
Exam Name:	NCSS BayStack/BPS Switching Exam
Exam Number:	920-123
Passing Score:	70% (typical historical requirement)
Certificate Validity Period:	No fixed expiration (legacy Nortel certification, program discontinued)
Available Languages:	English
Exam Price:	USD 100-150 (historical estimate)
Real Exam Qty:	60-70 (approx.)
Related Certifications:	Nortel Certified Support Specialist (NCSS) BayStack Certification Track
Exam Duration:	90-120
Exam Format:	Multiple Choice, Single Answer, Scenario-based Questions
Sample Questions:	Nortel 920-123 Sample Questions
Exam Way:	Proctored exam (historically onsite testing centers; delivery details varied by region and period)
Pre Condition:	Basic networking knowledge (TCP/IP fundamentals and Ethernet concepts recommended)

Nortel 920-123 Exam Syllabus Topics:

Section	Objectives
Switching Fundamentals	- Ethernet switching concepts and forwarding - MAC address learning and filtering
Device Management and Troubleshooting	- Network troubleshooting and diagnostics - CLI management and configuration backup
VLAN Configuration and Trunking	- VLAN segmentation and design - 802.1Q trunking and tagging
BayStack Switching Architecture	- Hardware architecture and stackability concepts - BayStack switch models and features
Spanning Tree Protocol (STP)	- STP operation and loop prevention - STP configuration and troubleshooting
IP Routing Basics on Layer 3 Switching	- Static routing fundamentals - Inter-VLAN routing concepts

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