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Web Services Overview

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Questions and Answers

What is a key characteristic of a complete web service?

Availability over private (intranet) networks (correct)

Uses a proprietary messaging system

Limited to a specific operating system

Not self-describing via a common XML grammar

Which role in the architecture of web services involves hosting the services?

Service provider (correct)

Service requester

Service consumer

Service registry

What are the three operations involved in the interaction among the roles of web services architecture?

Publish, search, execute

Request, response, register

Publish, find, bind (correct)

Discover, connect, deliver

What does the service requestor do in the context of web services?

Initiates an interaction with a service Signup and view all the answers

What is the basic platform of the web services platform?

XML + HTTP Signup and view all the answers

What is a characteristic of a complete web service in terms of messaging system usage?

Uses a standardized XML messaging system Signup and view all the answers

What does SOAP stand for in the context of web services?

Simple Object Access Protocol Signup and view all the answers

Which organization jointly developed the Web Services Description Language (WSDL)?

Microsoft and IBM Signup and view all the answers

What is the main purpose of Universal Description, Discovery, and Integration (UDDI) in the context of web services?

To provide the definition of a set of services supporting the description and discovery of businesses, organizations, and other Web Services providers Signup and view all the answers

Which component of web services is an XML-based file that describes what a web service does and gives client applications all the information required to connect to the web service?

Web Services Description Language (WSDL) Signup and view all the answers

What is the main purpose of SOAP in the context of web services?

To provide data transport for Web services Signup and view all the answers

How does a web service enable communication among various applications?

By using open standards such as HTML, XML, WSDL, and SOAP Signup and view all the answers

In the context of web services, which component is used to transfer a message?

SOAP Signup and view all the answers

What is XML used for in the context of a web service?

To tag the data Signup and view all the answers

Which organization or entity does Universal Description, Discovery, and Integration (UDDI) aim to 'discover'?

Businesses, organizations, and other Web Services providers Signup and view all the answers

What is the standard format for describing a web service in the context of web services?