A company is developing a publicly accessible single-page application. The application makes calls from a client web browser to backend services to provide a user interface to customers. The application depends on a third-party web service exposed as an HTTP API. The web client must provide an API key to the third-party web service by using the HTTP header as part of the HTTP request. The company’s API key must not be exposed to the users of the web application. Which solution will meet these requirements MOST cost-effectively?

Topic #: - All AWS Certified Developer Associate Questions

A. For each integration, configure a mapping template for Content-Type text/json that transforms the incoming request by using Velocity Template Language (VTL).
B. For each integration, configure a mapping template for Content-Type text/json that transforms the incoming request by using Embedded JavaScript (EJS).
C. For each integration, configure a mapping template for Content-Type application/json that transforms the incoming request by using Velocity Template Language (VTL). Most Voted
D. For each integration, configure a mapping template for Content-Type application/json that transforms the incoming request by using Embedded JavaScript (EJS).

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