The official Nortel page publishes the current question count and duration; review it before your test date.

Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 100 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.

The official Nortel NNCDS optera metro solutions(international only) outline defines 4 domains. The leading three are Provisioning and Configuration, Optera Metro Solutions Architecture, and Optical Networking Fundamentals. The full list is in the topics section above, and Pass4cram's 100 practice questions cover each one.

Scoring and fees are published by Nortel and may change; verify the current figures on the official site.

The 920-571 exam is a Nortel certification exam validating the Nortel NNCDS optera metro solutions(international only) syllabus shown above. It belongs to these credential paths: Nortel Networks Certified Design Specialist (NNCDS). Candidates in 2026 keep up with it using Pass4cram's 100 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.

Pass4cram issues a full refund if you take the Nortel NNCDS optera metro solutions(international only) exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.

Basic knowledge of telecommunications and optical networking is recommended; prior experience with Nortel optical systems is helpful. Since requirements change over time, confirm the latest on the official Nortel exam page before scheduling.

Nortel recommends these training resources for the Nortel NNCDS optera metro solutions(international only) exam:

• Avaya Learning (successor training resources for Nortel legacy systems)

Follow the training with steady self-testing — the 100 practice questions from Pass4cram help you apply theory and fill any gaps the training leaves.

Typically delivered via authorized proctored testing centers (historically Pearson VUE or equivalent providers) Register for the Nortel NNCDS optera metro solutions(international only) exam through these official channels:

• Pearson VUE

After booking, Pass4cram delivers your practice questions within 1 minute — preparation starts the same day.