Currently, the 920-571 exam's passing score is 70% and the registration fee is USD 125 - 150. Both are Nortel's figures and subject to revision — verify them on the official site before you schedule.

Nortel recommends these official training resources:

• Nortel Official Training Courses

Pair whichever course fits your background with regular engine-based practice for the fullest preparation.

Reliability here is built, not claimed. The 920-571 bank is written by a team of IT experts and certified trainers with a wealth of knowledge in the Nortel NNCDS optera metro solutions(international only) field, and we constantly keep it updated. The online test engine is the signature service: it fits the atmosphere of the actual test in advance, supports Windows, Mac, Android, and iOS, carries no installation limits, and lets you practice anytime, anywhere — perfectly suited to IT workers. Download the free sample first to learn about the product, and know that after purchase you may request the latest version at any time on top of 365 days of automatic updates.

The Nortel NNCDS optera metro solutions(international only) blueprint covers these core domains:

• Hardware and Shelf Configuration (25%)
• Optera Metro Product Overview (20%)
• Service Provisioning and Protection (20%)

Further domains complete the official outline; the bank addresses every one.

Upon successful payment, our system automatically sends the product to your mailbox — typically within about a minute — with an instant download link on screen. If nothing arrives within two hours, check your spam folder and contact our 24/7 online support. Updates are free for 365 days: whenever a new version is released, we send the updated bank to your mailbox automatically — and you can also request the latest version from us at any time. A 50% renewal discount applies when the period ends.

Nortel states the following prerequisites for the Nortel NNCDS optera metro solutions(international only): None required; prior networking knowledge recommended.

Confirm the details on the official certification page before registering.

According to the latest exam information, the 920-571 exam includes 60-70 questions and allows 90 minutes minutes. The online engine reproduces those conditions so practice matches the formal test's atmosphere.

Registration goes through the official channels listed here:

• Pearson VUE / Prometric

Choose your test center or online session, and book early — then practice under real conditions until the day arrives.

Clear and dependable. If you fail the corresponding exam within 60 days of purchase, send the score report to our support team together with a scanned copy of your enrollment slip — the official Score Report PDF must reach us within two days of the exam date — and verified claims receive a full refund within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. If you have another test in mind, you may instead wait for the next update or exchange your product for two others of equal value at no cost.