Questions 40 to 42
Explanations for questions 40 to 42
We'll cover the following
Question 40
A mobile client requires data from several application-layer services to populate its user interface. What can the application team use to decouple the client interface from the underlying services behind them?
- AWS Device Farm
- Amazon Cognito
- Amazon API Gateway
- Application Load Balancer
Correct Answer: 3
Explanation: Amazon API Gateway decouples the client application from the back-end application-layer services by providing a single endpoint for API requests.
The architecture of API Gateway is depicted in the diagram below:
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