Multiple choice technology architecture

Which of the below XML based technology is not used by Web services ?

  1. UDDI

  2. WSDL

  3. SOAP

  4. RMI
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D Correct answer
Explanation

RMI (Remote Method Invocation) is a Java-specific remote communication technology that uses binary serialization, not XML. It's tightly coupled to the Java platform. In contrast, UDDI, WSDL, and SOAP are all XML-based specifications that form the core of web services, providing platform-neutral interoperability through XML messaging.

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