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Diagram: web services integration
publish date: 2026/05/27 22:14:23.658515 UTC
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Modern applications often rely on remote services for authentication, payments, or data retrieval. The diagram shows a simple interaction between an application and a web service.
What does the arrow represent?
Correct Answer
A remote service request
Explanation
The arrow represents a network request from the application to a remote web service, such as an API call for authentication or data retrieval.
Reference
Software Engineering, Ian Sommerville, 9th edition