The blank should be filled with "digital"
Answer:
There are three technologies used for implementing the SOA most commonly with Web services are UDDI (Universal Description, Discovery & Integration) , WSDL (Web Services Description Language) and SOAP (Simple Object Access Protocol) .
Out of them XML technologies are Web Services Description Language (WSDL) and Simple Object Access Protocol (SOAP).
WSDL is an XML language that describes a Web service.
SOAP is an XML Protocol and it is used by client application to communicate with web services.
Starts with an Ethernet header, which contains destination and source MAC addresses as its first two fields