Nortel 920-552 : GSM BSS Operations and Maintenance

Exam Code: 920-552

Exam Name: GSM BSS Operations and Maintenance

Updated: Sep 11, 2026

Q & A: 122 Questions and Answers

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About Nortel 920-552 Exam

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Nortel 920-552 Exam Syllabus Topics:

SectionWeightObjectives
Performance Monitoring & Optimization25%- Key performance indicators (KPIs)
- Traffic analysis and load balancing
- Radio resource management
BSS Operation & Configuration25%- BTS configuration and commissioning
- Frequency planning and management
- BSC administration and parameters
Maintenance & Troubleshooting20%- Hardware and software maintenance
- Call drop and handover issues
- Alarm handling and fault isolation
GSM BSS System Overview20%- GSM network architecture
- BSS components: BSC, BTS, TRX
- Interface protocols (A-bis, A, Um)
Security & System Management10%- Backup and restore procedures
- Access control and security

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