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Telecom Software Engineer Practice Exam: 20 Free Questions
Benchmark your readiness for Telecom Software 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
- NF Software Architecture (SBI, microservices)Designing 5GC Network Functions as cloud-native services — the Service-Based Interface over HTTP/2 with JSON and 3GPP OpenAPI, NRF-based discovery and OAuth2, microservice decomposition, stateful vs stateless design, NF state machines for registration and PDU session procedures, externalized state, and concurrency patterns.
- Cloud-Native & Kubernetes for 5GCContainerizing and deploying NFs on Kubernetes — CNF design principles, Helm packaging, workload object selection, Multus/SR-IOV networking, persistent storage, health probes, graceful shutdown, autoscaling, service mesh for SBI, and bridging control-plane and user-plane node pools.
- Performance Engineering (DPDK, eBPF, SR-IOV)Engineering the user plane and control plane for line rate — kernel-bypass with DPDK (PMDs, mempools, rings, hugepages), VPP and AF_XDP alternatives, eBPF/XDP packet processing and tracing, NUMA topology, CPU pinning, hugepages, SR-IOV virtual functions, RSS, and interrupt tuning.
- Observability, CI/CD & ReliabilityOperating NFs in production — OpenTelemetry tracing, Prometheus/Grafana metrics, log aggregation, profiling with perf/flamegraphs/pprof, synthetic load and conformance testing, GitOps CI/CD, rolling and canary upgrades, capacity planning, and reliability patterns like retries, circuit breakers, and timeouts.
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. A new contributor wants to add a feature to an open-source NF like Open5GS. Which approach is most likely to get the patch merged?
- A.A small, well-scoped, convention-following PR with tests
- B.Open a large PR rewriting several subsystems without prior discussion
- C.Push directly to the main branch to save review time
- D.Submit a patch with no tests and a vague description
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 Telecom Software 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.