DVA-C02 · Question #134
DVA-C02 Question #134: Real Exam Question with Answer & Explanation
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Question
A real-time messaging application uses Amazon API Gateway WebSocket APIs with backend HTTP service. A developer needs to build a feature in the application to identify a client that keeps connecting to and disconnecting from the WebSocket connection. The developer also needs the ability to remove the client. Which combination of changes should the developer make to the application to meet these requirements? (Choose two.)
Options
- ASwitch to HTTP APIs in the backend service.
- BSwitch to REST APIs in the backend service.
- CUse the callback URL to disconnect the client from the backend service.
- DAdd code to track the client status in Amazon ElastiCache in the backend service.
- EImplement $connect and $disconnect routes in the backend service.
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