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5G API Developer Practice Exam: 20 Free Questions
Test your readiness for the TELCOMA Certified 5G API Developer. 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. How does the NEF handle the translation between external identifiers and internal 5GC identifiers?
- A.The AF must always use internal identifiers like SUPI
- B.The NEF translates external identifiers (GPSI, external group IDs) to internal identifiers (SUPI, internal group IDs) so AFs never need to know internal addressing
- C.No translation is needed since 5GC uses external identifiers natively
- D.The UDM performs all identifier translation independently of the NEF
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
Is this the same as the real exam?+
No — this is a free practice test drawn from a 65-question bank to gauge readiness. The official TELCOMA Certified 5G API Developer is a 65-question proctored exam with a 72% pass mark, included with the Pro subscription.
How accurate are the questions?+
Each is reviewed by TELCOMA's curriculum team and references 3GPP specs where applicable. Difficulty matches the official cert.
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.