A Legacy Service Has an XML-Based SOAP Interface

question 442

Multiple Choice

A legacy service has an XML-based SOAP interface. The Developer wants to expose the functionality of the service to external clients with the Amazon API Gateway. Which technique will accomplish this?

• A) Create a RESTful API with the API Gateway; transform the incoming JSON into a valid XML message for the SOAP interface using mapping templates.
• B) Create a RESTful API with the API Gateway; pass the incoming JSON to the SOAP interface through an Application Load Balancer.
• C) Create a RESTful API with the API Gateway; pass the incoming XML to the SOAP interface through an Application Load Balancer.
• D) Create a RESTful API with the API Gateway; transform the incoming XML into a valid message for the SOAP interface using mapping templates.

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Definitions:

Relatively Inelastic

Describes a situation where the demand or supply for a good or service changes only slightly in response to changes in price.

Price Elastic

Refers to a situation where the demand or supply for a product or service significantly changes in response to its price change.

Soft Drinks

Non-alcoholic beverages that are usually carbonated and contain various flavorings and sweeteners.

Price Elasticity

A measure of the responsiveness of the quantity demanded or supplied of a good or service to a change in its price.