The exam includes 60 multiple‑choice questions and 5 scenario‑based case studies. You have 90 minutes to complete it.

Network engineers, planners, integrators, and students working with optical transport technologies.

Basic networking and fiber‑optic knowledge is sufficient; detailed hands‑on experience enhances confidence.

Review optical networking textbooks, study DWDM and ROADM architectures, and practice link budgeting and OTDR analysis.

A minimum score of 70% overall is required to earn certification.

Yes. You may retake it after a 14‑day waiting period.

Certification remains valid for three years. Renewal requires passing a brief refresher assessment.

You need a scientific calculator and access to optical‑networking reference materials; no special software is needed.

Yes. Scenario‑based tasks test your ability to design links, select components, and troubleshoot impairments.

It validates your expertise in optical networking, boosting credibility for roles in telecom, data‑center, and network‑planning teams.