What is required to consume a SOAP Web Service?

To successfully consume a SOAP Web Service, several components are necessary to ensure proper communication and data exchange. The correct answer outlines the requirements that include the WSDL (Web Services Description Language), binding selection, and manual method choice.

The WSDL serves as a crucial document that defines the web service's interface, including the available methods, the parameters they accept, the data types used, and the endpoints for the service. This provides the structure and necessary information for the client application to understand how to interact with the web service.

Binding selection is also important because it determines how the service is accessed. Different bindings (such as HTTP, SOAP 1.1, SOAP 1.2, etc.) define how the communication happens over the network and the protocols used, which can significantly affect the ability to call the service successfully.

Lastly, the manual method choice allows the developer to specify which operation or method to invoke from the web service. Since a WSDL can describe multiple operations, being able to choose explicitly which method to call is essential for making the appropriate requests.

This comprehensive understanding of the required components ensures that the developer can integrate the SOAP web service effectively into their applications. Other options do not encompass all of these necessary elements for successful SOAP service consumption.