Câu 95: AWS Certified Developer - Associate DVA-C02(New)
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 com…
Nội dung câu hỏi
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.)
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. Switch to HTTP APIs in the backend service.
- B. Switch to REST APIs in the backend service.
- C. Use the callback URL to disconnect the client from the backend service.
- D. Add code to track the client status in Amazon ElastiCache in the backend service. — đáp án hiện tại
- E. Implement $connect and $disconnect routes in the backend service. — đáp án hiện tại
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