Arcitura Education Exam S90.05A Topic 1 Question 45 Discussion

You have developed a Library service that provides an "AddBook" operation that is able to add a book record to a library system. This operation accepts a message based on an "AddBookRequest" element that contains book record details, such as its author and title. It then responds with a message based on the "AddBookResponse" element that acknowledges that the book was successfully added. Below is the current WSDL definition:

You are asked to extend this WSDL definition in order to add a new "DeleteBook" operation that is able to receive a request message based on the "DeleteBookRequest" element and reply with a response message based on the "DeleteBookResponse" element. Which of the following describes the minimum number of message, operation and "portType" elements that will need to be added in order to fulfill these requirements?