Implement Service-Based Architecture (SBA)

Q1. In a 5G Service-Based Architecture (SBA), what is a Service?

a: A dedicated physical connection between two network nodes Explanation

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b: A specific capability or function exposed by a Network Function Explanation

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c: A type of user equipment Explanation

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d: A hardware-based communication interface Explanation

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Q2. Which of the following acts as a Service Producer in SBA?

a: The Network Function consuming services Explanation

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b: The Network Function exposing services Explanation

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c: The Discovery Service Explanation

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d: The User Equipment (UE) Explanation

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Q3. Which operation allows a Network Function to receive event updates automatically?

a: Request Explanation

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b: Reply Explanation

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c: Subscribe Explanation

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d: Notify Explanation

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Q4. In the Point-to-Point (P2P) architecture, connections between NFs are:

a: Dynamic and self-configuring Explanation

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b: Fixed and preconfigured Explanation

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c: Service-based and discoverable Explanation

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d: REST API-driven Explanation

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Q5. What is a key drawback of P2P communication?

a: High flexibility Explanation

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b: Loose coupling Explanation

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c: Tight coupling and rigid dependencies Explanation

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d: Easy scalability Explanation

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Q6. In SBA, what protocol is primarily used for communication between Network Functions?

a: TCP/IP Explanation

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b: HTTP/2 Explanation

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c: FTP Explanation

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d: SNMP Explanation

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Q7. Which interface type allows components to discover and access services dynamically?

a: Service-Based Interface (SBI) Explanation

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b: Physical Interface Explanation

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c: User Plane Interface Explanation

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d: Logical Link Interface Explanation

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Q8. In SBA, how does a component register its services?

a: By sending an HTTP PUT request to the discovery service Explanation

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b: By manually configuring IP tables Explanation

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c: By using SSH connection Explanation

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d: By sending SMS to the core Explanation

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Q9. Which HTTP/2 feature allows multiple requests and responses on a single connection?

a: Multiplexing Explanation

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b: Header compression Explanation

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c: Binary encoding Explanation

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d: Persistent sessions Explanation

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Q10. What is the main data format used for all Service-Based Interface (SBI) messages?

a: XML Explanation

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b: YAML Explanation

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c: JSON Explanation

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d: CSV Explanation

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Q11. Which HTTP method is used to delete a resource in REST API?

a: POST Explanation

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b: PUT Explanation

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c: GET Explanation

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d: DELETE Explanation

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Q12. What is the main advantage of HTTP/2 over HTTP/1.1?

a: Uses more connections for faster response Explanation

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b: Text-based message encoding Explanation

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c: Allows unlimited parallel streams on one connection Explanation

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d: Uses larger headers for better security Explanation

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Q13. Which of the following is NOT a REST principle?

a: Stateless communication Explanation

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b: Resource-based design Explanation

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c: Persistent client sessions Explanation

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d: Use of standard HTTP methods Explanation

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Q14. In JSON, data is represented using:

a: Binary frames Explanation

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b: Key-value pairs Explanation

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c: Tables and rows Explanation

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d: XML tags Explanation

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Q15. What is the key advantage of SBA compared to P2P architecture?

a: Tight integration between components Explanation

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b: Static service discovery Explanation

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c: Vendor lock-in and fixed protocols Explanation

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d: Modular and dynamic service interaction Explanation

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