Exam Code: 920-021
Exam Name: MCS 5100 Ris.4.0 Administration
Certification Provider: Nortel
Corresponding Certification: Nortel Other Certification

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Updated: Aug 17, 2026

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Nortel 920-021 Exam Overview:

Certification Vendor:	Nortel Networks
Exam Name:	MCS 5100 Ris.4.0 Administration
Exam Number:	920-021
Related Certifications:	920-020 MCS 5100 Ris.4.0 Installation & Commissioning
Exam Price:	USD 65.00
Passing Score:	70%
Certificate Validity Period:	2 years
Real Exam Qty:	60-100
Exam Duration:	90 minutes
Exam Format:	Multiple Choice, Scenario-Based
Available Languages:	English
Recommended Training:	Nortel official training materials (legacy)
Exam Registration:	Legacy registration information
Exam Way:	Proctored at authorized test centers (Pearson VUE / Prometric - legacy)
Pre Condition:	Recommended: 920-020 MCS 5100 Ris.4.0 Installation & Commissioning or equivalent hands-on experience

Nortel 920-021 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Troubleshooting	10%	- Common service issues resolution - Error analysis and resolution - Network and signaling problems
Topic 2: Feature & Service Configuration	25%	- Supplementary services configuration - Voice and multimedia services setup - Call processing and routing
Topic 3: Maintenance & Monitoring	20%	- Performance monitoring and reporting - Backup and restore procedures - System health checks and logs
Topic 4: System Overview & Architecture	20%	- MCS 5100 Release 4.0 components - Network architecture and protocols - Server roles and redundancy
Topic 5: User & Subscriber Management	25%	- Service profile assignment - Subscriber account creation and configuration - Access control and permissions

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