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Nortel 920-553 Exam Overview:
| Certification Vendor: | Nortel |
|---|---|
| Exam Name: | Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network |
| Exam Number: | 920-553 |
| Certificate Validity Period: | 2–3 years |
| Exam Duration: | 90–120 |
| Exam Price: | USD 125–200 |
| Real Exam Qty: | 50–62 |
| Available Languages: | English |
| Passing Score: | 70% |
| Exam Format: | Multiple Choice |
| Exam Registration: | Pearson VUE (historical provider) |
| Sample Questions: |  |
| Exam Way: | Computer-based testing (onsite at authorized test centers) |
| Pre Condition: | No formal prerequisites; recommended experience with Nortel Multiservice Switch and VoIP technologies |
Nortel 920-553 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Fault Management & Troubleshooting | 25% | - Alarm and event handling - Troubleshooting VoIP and service issues - Diagnostic tools and commands |
| Topic 2: Performance Monitoring & Statistics | 20% | - Performance metrics collection - Report generation and analysis - QoS and traffic monitoring |
| Topic 3: Maintenance & Operational Procedures | 10% | - Software upgrades and backups - Service continuity and redundancy - Best practices for OAM operations |
| Topic 4: OAM Fundamentals in Carrier VoIP Networks | 20% | - Carrier VoIP network architecture overview - OAM concepts and standards - Multiservice Switch 15K/20K platform basics |
| Topic 5: Configuration of OAM Functions | 25% | - Fault management configuration - Connectivity verification protocols - OAM provisioning and setup |
Nortel 920-553 Exam: Efficient Answers
No formal prerequisites; recommended experience with Nortel Multiservice Switch and VoIP technologies Eligibility rules change over time, so verify the current requirements on the official page before registering.
Yes — enter your email address and download the free Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network exam cram pdf for reference; your information stays secret and safe, and we never send advertisement without permission. Purchases include a one-year service warranty: 365 days of updates, renew afterward at 50% off.
90–120 for 50–62 questions. Practice in the Test4Cram soft or online version until testing feels casual — simulation removes the nerves.
Yes:
After any course, stay efficient with the 50 practice questions for the Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network — every answer expert-verified.
Soon after purchasing you can download the complete Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network material — even on official holidays: the automatic email arrives within about a minute, and our 7*24 service replies within two hours if anything goes wrong. If you fail the corresponding 920-553 exam within 60 days of purchase, we refund in full: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
The Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network is Nortel's certification exam for NCSS (Nortel Certified Support Specialist), at the Specialist level. When a good opportunity appears, the certified hold the vital advantages.
Through the vendor's official registration channels:
The Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network is delivered Computer-based testing (onsite at authorized test centers) — pick the arrangement that suits you when booking.
USD 125–200 per attempt, 70% to pass. Fail and you pay twice or more — save time and money with the 50 practice questions for the 920-553 exam at Test4Cram.
The Nortel Multiservice Switch 15K/20K-OAM in a Carrier VoIP Network blueprint spans 5 domains — including Maintenance & Operational Procedures (10%), OAM Fundamentals in Carrier VoIP Networks (20%), Configuration of OAM Functions (25%). A cram sheet with direction beats aimless reading; the complete outline above lists every subtopic.
