Exam Code: 920-110
Exam Name: NNCSS SL-100 Maintenance Certification Exam
Certification Provider: Nortel
Corresponding Certification: Nortel Other Certification

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Updated: Jul 28, 2026

No. of Questions: 72 Questions & Answers with Testing Engine

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Nortel 920-110 Exam Overview:

Certification Vendor:	Nortel
Exam Name:	NNCSS SL-100 Maintenance Certification Exam (Meridian SL-100 Maintenance)
Exam Number:	920-110
Real Exam Qty:	72
Exam Duration:	90 minutes
Passing Score:	70% - 75%
Available Languages:	English
Related Certifications:	NNCSS NCSS (Nortel Certified Support Specialist)
Certificate Validity Period:	3 years
Exam Format:	Multiple Choice, Scenario-Based
Exam Price:	$125 - $150 USD
Recommended Training:	Nortel SL-100 Maintenance Training Legacy Nortel Product Documentation
Exam Registration:	Pearson VUE (Historical) Prometric (Historical)
Sample Questions:	Nortel 920-110 Sample Questions
Exam Way:	Proctored at authorized test centers (Pearson VUE / Prometric, historically)
Pre Condition:	Basic knowledge of telecommunications, Meridian SL-100 system fundamentals; no mandatory prerequisite exams
Official Syllabus URL:	No longer available (Nortel acquired, program retired)

Nortel 920-110 Exam Syllabus Topics:

Section	Weight	Objectives
Troubleshooting & Fault Resolution	15%	- Hardware Fault Isolation - Software & Database Issues - Call Processing & Signaling Problems
Configuration & Administration	25%	- Line & Trunk Configuration 1. Analog & Digital Lines 2. T1/E1 & ISDN Trunks - Feature Programming 1. Class of Service & Restrictions 2. Call Handling Features
Maintenance & Diagnostics	25%	- Routine Maintenance Procedures - System Monitoring & Alarms - Diagnostic Tools & Commands
System Installation & Commissioning	15%	- Hardware Installation - Site Preparation - Software Loading & Initialization
SL-100 System Overview & Architecture	20%	- Hardware Components 1. Control Unit 2. Peripheral Modules 3. Switch Network - Software Structure 1. Operating System 2. Database & Configuration

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PDF Version: can be read under the Adobe reader, or many other free readers, including OpenOffice, Foxit Reader and Google Docs.

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