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O-RAN Engineer Practice Exam: 20 Free Questions
Benchmark your readiness for O-RAN Engineer 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
- O-RAN ArchitectureO-RAN Alliance reference architecture, functional decomposition of O-CU-CP, O-CU-UP, O-DU, O-RU, and the roles of Near-RT RIC, Non-RT RIC, and SMO.
- RIC & xApp DevelopmentNear-RT RIC platform, xApp lifecycle management, A1 and E2 interface protocols, E2 service models (E2SM-KPM, E2SM-RC), rApp development on Non-RT RIC, and R1 interface.
- Open Fronthaul & CUS PlaneO-RAN 7.2x lower layer functional split, eCPRI transport, Control Plane, User Plane, Synchronization Plane, and Management Plane over the Open Fronthaul interface.
- SMO & Multi-vendorService Management and Orchestration framework, O1 interface for FCAPS, O2 interface for cloud infrastructure management, and multi-vendor interoperability testing.
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. In the O-RAN Alliance reference architecture, what are the four main RAN functional components resulting from disaggregation?
- A.eNB, EPC, MME, SGW
- B.CU-CP/UP, DU, and RU
- C.BBU, RRH, Antenna, Fiber
- D.AMF, SMF, UPF, NRF
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 O-RAN Engineer 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.