Implement Service-Based Architecture (SBA)

Q1. During the SBA simulation, when an NF successfully registers with the Discovery Service, what HTTP status code is returned?

a: 200 OK Explanation

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b: 201 Created Explanation

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c: 404 Not Found Explanation

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d: 500 Internal Server Error Explanation

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Q2. According to the procedure, what is the very first step required to start the experiment?

a: Enter the IP address and port. Explanation

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b: Click the 'Create New Service' button. Explanation

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c: Check the service logs for previous activity. Explanation

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d: Select the source and destination services. Explanation

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Q3. If a Network Function fails to register, which common issue might be the cause?

a: Incorrect service UUID format Explanation

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b: JSON array syntax is too long Explanation

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c: Missing Content-Type header or incorrect JSON structure Explanation

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d: The HTTP version is too new Explanation

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Q4. After configuring all required fields for a new service, what action finalizes the deployment?

a: Click 'Start Service' Explanation

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b: Click 'Validate' Explanation

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c: Wait 5 seconds Explanation

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d: Scroll down and click 'Open Service Terminal' Explanation

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Q5. How do you verify the successful deployment of a service after waiting the recommended time?

a: Check the 'Service Logs' panel at the bottom of the dashboard. Explanation

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b: Run an 'ipconfig' command in the terminal. Explanation

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c: Click the 'Help' button in the top right corner. Explanation

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d: Observe the 'Status: STABLE' indicator in the Configuration panel Explanation

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Q6. When creating a second service, what is the most critical configuration detail that must be different from Service1 to avoid a network conflict?

a: Protocol (e.g., change from HTTP/2 to HTTP/1) Explanation

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b: Service Name Explanation

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c: Description Explanation

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d: IP Address Explanation

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Q7. In the simulation, the use of HTTP/2 provided which visible improvement over older HTTP versions?

a: Multiple connections per service Explanation

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b: Parallel message streams over one connection Explanation

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c: Manual connection re-establishment Explanation

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d: Delayed responses for sequencing Explanation

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Q8. In the Service Logs, what status is listed next to 'Service1' when it successfully sends a response to Service2?

a: SUCCESS Explanation

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b: PENDING Explanation

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c: INITIALIZED Explanation

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d: CONNECTED Explanation

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Q9. What is the purpose of clicking the 'Open Server Terminal' button in the Troubleshooting step?

a: To view real-time log streaming from the service. Explanation

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b: To change the service's IP address or Port on the fly. Explanation

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c: To reboot the service without accessing the main dashboard. Explanation

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d: To execute network commands like ping and ipconfig for connectivity verification. Explanation

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Q10. The service discovery request returned a list of:

a: Available user devices Explanation

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b: Registered service instances with IPs and ports Explanation

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c: Cloud containers Explanation

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d: Hardware modules Explanation

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Q11. A successful ping result is indicated by which key statistic in the final summary?

a: Lost: 0 (0% loss) Explanation

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b: Packets Sent: 6 Explanation

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c: Average round trip time: 10ms Explanation

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d: Minimum time: 20ms Explanation

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Q12. The “heartBeatTimer” parameter in the registration response helps to:

a: Control the JSON format refresh rate Explanation

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b: Schedule regular keep-alive messages from the NF Explanation

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c: Measure end-to-end latency Explanation

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d: Trigger service shutdown Explanation

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Q13. During the simulation, what happened when a new service was added to the network?

a: All other NFs needed reconfiguration Explanation

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b: The new service became discoverable dynamically through the registry Explanation

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c: The system had to reboot Explanation

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d: A manual IP mapping was required Explanation

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Q14. Which observation during the experiment confirms SBA’s modular design advantage?

a: Failure of one NF caused all others to stop Explanation

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b: Each NF could register and communicate independently Explanation

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c: Static IP tables had to be edited for every change Explanation

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d: The system refused connections from unknown NFs Explanation

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Q15. When Service1 successfully sends a response to Service2, what HTTP status code is logged?

a: 404 Explanation

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b: 200 Explanation

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c: 500 Explanation

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d: 301 Explanation

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