[&] How is the version of WSDL being used identified from the document? - By using a version identifier in the URL - By the presence of a SOAP envelope - By checking for SSL certificates - By identifying the 'portType' element, which is specific to version 1.1 [&] What is the primary purpose of accessing a WSDL file in web service security testing? - To validate the web service's performance metrics - To determine the web service's encryption method - To identify the web service's physical location - To gather information on exposed operations and data types [&] Which of the following techniques can be used to discover a WSDL file for a SOAP service? - Using DNS enumeration techniques - Logging into the server and searching for files - Scanning with a port analyzer - Appending '?wsdl' to a service URL [&] In WSDL terminology, what is an 'operation'? - A network request - A database query - A function or method provided by the web service - A type of encryption used in web services [&] What does 'SOAP over HTTP' indicate in a WSDL context? - SOAP is an alternative to HTTP for web services. - SOAP requests and responses are sent over HTTP protocol. - SOAP is used to encrypt HTTP traffic. - SOAP always requires SSL for secure transmission. [&] Which WSDL element defines the data elements for each operation? - Binding element - PortType element - Types element - Message element