Virtual Labs

Electronics and Communication Engineering 5G Core Network Virtual Laboratory Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Configure User Profile Management Procedures

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Beginner

Intermediate

Advanced

Q1. What is the primary role of the Unified Data Management (UDM) in the 5G Core network?

a: To select slice instance Explanation

Explanation

b: To store all data permanently Explanation

Explanation

c: To process subscriber data and authentication logic Explanation

Explanation

d: To assign IP addresses Explanation

Explanation

Q2. During registration, what is the correct AMF data request flow?

a: AMF → UDM → UDR Explanation

Explanation

b: UDM → AMF Explanation

Explanation

c: AMF → UDR → UDM Explanation

Explanation

d: Parallel queries Explanation

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Q3. What does SM Data contain?

a: Slices Explanation

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b: DNN and session rules Explanation

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c: Mobility rules Explanation

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d: Auth keys Explanation

Explanation

Q4. What happens if authentication key changes?

a: Session fails Explanation

Explanation

b: Speed reduces Explanation

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c: Authentication fails Explanation

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d: Slice changes Explanation

Explanation

Q5. Who generates 5G-AKA vectors?

a: UDR Explanation

Explanation

b: AMF Explanation

Explanation

c: UDM Explanation

Explanation

d: AUSF Explanation

Explanation

Q6. What is the role of UDR?

a: Storage Explanation

Explanation

b: Decode SUCI Explanation

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c: Policy generation Explanation

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d: Notifications Explanation

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Q7. Which NF queries UDM for DNN validation?

a: AMF Explanation

Explanation

b: NSSF Explanation

Explanation

c: SMF Explanation

Explanation

d: AUSF Explanation

Explanation

Q8. What happens if subscription is BARRED?

a: No registration Explanation

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b: Limited access Explanation

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c: Auth fail Explanation

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d: Only data blocked Explanation

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Q9. SUCI vs SUPI relation?

a: Different IDs Explanation

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b: Different networks Explanation

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c: Temporary vs permanent Explanation

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d: Encrypted SUPI Explanation

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Q10. How do AMF/SMF get updates?

a: Subscription notifications Explanation

Explanation

b: Re-register Explanation

Explanation

c: Polling Explanation

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d: Broadcast Explanation

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Q11. Missing DNN causes failure in which data?

a: SM Data Explanation

Explanation

b: Auth Explanation

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c: Slice Explanation

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d: Mobility Explanation

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Q12. UDR supports which operations?

a: CRUD Explanation

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b: Policy Explanation

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c: Auth Explanation

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d: Notification Explanation

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Q13. What does slice subscription include?

a: S-NSSAI list Explanation

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b: IDs Explanation

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c: Keys Explanation

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d: QoS Explanation

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Q14. After SUCI, AMF does what?

a: Send to SMF Explanation

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b: Query UDM Explanation

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c: Accept UE Explanation

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d: Call PCF Explanation

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Q15. Why separate UDM and UDR?

a: Logic vs storage Explanation

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b: Remove AUSF Explanation

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c: Reduce hardware Explanation

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d: Limit access Explanation

Explanation

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