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5G API Developer Practice Exam: 20 Free Questions
Benchmark your readiness for 5G API Developer work. 20 real exam-style questions, no time limit. On submit, you get a personalized study plan with your weak areas mapped to specific lessons.
What this exam covers
- NEF & API ExposureNetwork Exposure Function (NEF) architecture, northbound API interfaces, AF interaction, event subscription and notification, and 5GC capability exposure.
- CAMARA & Open GatewayCAMARA project APIs (Quality on Demand, Number Verification, Device Location, SIM Swap), GSMA Open Gateway initiative, and operator API federation.
- API Design & SecurityRESTful API design principles, OAuth 2.0 / OpenID Connect for telecom APIs, API gateway patterns, rate limiting, versioning, and developer portal best practices.
- Monetization & Business ModelsAPI-as-a-Product strategies, usage-based pricing, developer ecosystem building, API marketplace design, SLA management, and revenue sharing models.
What you get on completion
- ✓ Score breakdown by domain
- ✓ Every missed question with full explanation
- ✓ Personalized study plan — your gaps mapped to specific lessons
- ✓ Optional: email yourself the plan + 7-day Pro trial
Sample question (from the 65-question bank)
Q. What is the primary role of the Network Exposure Function (NEF) in the 5G Core architecture?
- A.To route user plane traffic between the UPF and the data network
- B.An API gateway exposing 5GC capabilities to external AFs
- C.To manage the radio resource allocation at the gNodeB
- D.To perform subscriber authentication and key agreement
Click Start Practice Exam below to begin a fresh 20-question session.
Ready? 20 questions, no time pressure
Answer all 20 questions, then submit to see your score, your weak areas, and a personalized study plan.
No signup. No card. Takes ~24 minutes.
FAQs
How is this different from the full practice exam?+
This is a free 20-question quick check drawn from a 65-question bank. The full-length 5G API Developer practice exam is a 65-question, 75-minute timed benchmark with a 65% target score, included with the Pro subscription. Neither awards a certificate.
How accurate are the questions?+
Each is reviewed by TELCOMA's curriculum team and references 3GPP specs where applicable. Difficulty matches the full-length practice exam.
Can I retake?+
Yes, unlimited retakes — each draws fresh questions.
Do I need an account?+
No to take it. Optional at the end if you want the personalized study plan emailed to you.