👇 CELEBRATE CLOUD SECURITY DAY 👇
00
HOURS
00
MINUTES
00
SECONDS
Industry-endorsed certificates to strengthen your career profile.
Start learning immediately with digital materials, no delays.
Practice until you’re fully confident, at no additional charge.
Study anytime, anywhere, on laptop, tablet, or smartphone.
Courses and practice exams developed by qualified professionals.
Support available round the clock whenever you need help.
Easy-to-follow content with practice exams and assessments.
Join a global community of professionals advancing their skills.
(Based on 45 reviews)
It validates your expertise in optical networking, boosting credibility for roles in telecom, data‑center, and network‑planning teams.
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.
Yes. You may retake it after a 14‑day waiting period.
A minimum score of 70% overall is required to earn certification.
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.