Earning the Nortel NNCSS Succession 1000/1000M Ris.3.0 credential tells employers you can work with Nortel technologies at a professional level. Prepare for the 920-138 exam in 2026 with the 59 expert-prepared practice questions from Actual4Exams.
Nortel 920-138 Exam Overview:
| Certification Vendor: | Nortel Networks |
|---|---|
| Exam Name: | NNCSS Succession 1000/1000M Ris.3.0 Exam |
| Exam Number: | 920-138 |
| Passing Score: | 70% - 75% |
| Available Languages: | English |
| Certificate Validity Period: | Retired since November 30, 2010 |
| Real Exam Qty: | 59 - 64 |
| Exam Duration: | 90 minutes |
| Related Certifications: | NNCSS Succession 1000 Series |
| Exam Format: | Multiple Choice |
| Exam Price: | $125 - $150 USD |
| Sample Questions: |  |
| Exam Way: | Computer-based testing at Prometric centers (no longer offered) |
| Pre Condition: | Basic knowledge of Nortel Succession/CS1000 systems and VoIP |
Nortel 920-138 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Maintenance & Troubleshooting | 25% | - Backup & Restore Procedures - Alarm Monitoring & Diagnostics - Common Fault Resolution |
| System Architecture & Hardware | 25% | - Hardware Components & Redundancy - Succession 1000/1000M Platform Overview - Power & Environmental Requirements |
| Installation & Commissioning | 25% | - Site Preparation & Cabling - Initial Configuration & Licensing - Software Installation & Release 3.0 Upgrade |
| System Configuration | 25% | - User & Feature Programming - Dial Plan & Trunk Configuration - IP Network & VoIP Settings |
Nortel NNCSS Succession 1000/1000M Ris.3.0 (920-138) — Questions Candidates Actually Ask
The 920-138 exam, officially known as Nortel NNCSS Succession 1000/1000M Ris.3.0, is the Nortel test that leads to the NNCSS / NCSS (Nortel Certified Support Specialist) certification at the Specialist / Support level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as NNCSS Succession 1000 Series.
The 920-138 exam contains 59 - 64 questions, and you have 90 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the 920-138 exam is 70% - 75%, and the official registration fee is $125 - $150 USD. If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Basic knowledge of Nortel Succession/CS1000 systems and VoIP
You can book the 920-138 exam through the official registration channels below:
Exam delivery: Computer-based testing at Prometric centers (no longer offered). Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
Nortel recommends the following training options for Nortel NNCSS Succession 1000/1000M Ris.3.0 candidates:
Pair any course with the 59 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the Nortel NNCSS Succession 1000/1000M Ris.3.0 questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding 920-138 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Nortel NNCSS Succession 1000/1000M Ris.3.0 outline is organized into 4 domains. The first three are:
- System Configuration — 25% of the exam
- Maintenance & Troubleshooting — 25% of the exam
- System Architecture & Hardware — 25% of the exam
See the complete exam topics section above for the full outline and the weighting of every domain.
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We still understand the effort, time, and money you will invest in preparing for your certification exam, which makes failure in the Nortel 920-138 exam really painful and disappointing. Although we cannot reduce your pain and disappointment but we can certainly share with you the financial loss.
This means that if due to any reason you are not able to pass the 920-138 actual exam even after using our product, we will reimburse the full amount you spent on our products. you just need to mail us your score report along with your account information to address listed below within 7 days after your unqualified certificate came out.
