Wrap up

Summary

This part of the tutorial series covered the following technologies:

• XML
• Document Type Definitions (DTDs)
• W3C XML Schema
• Web services
• Security

You'll find very few questions regarding well-formedness and valid XML. For most questions regarding DTDs, you want to remember the limitations of DTDs.

Most of the questions in the XML exam are based on schema, so pay extra attention to the section dedicated to that topic. And do remember the advantages of schema over DTDs.

The exam asks few if any questions about XML security. For questions about Web services, remember the core technologies that comprise them: SOAP, WSDL, and UDDI.

You also need to understand how all these technologies work apart from memorizing their syntax. To answer scenario-based questions, know the advantages and disadvantages of one technology over the other. Most of the time, you will be asked to choose the one best solution from a set of possible solutions. So it's important to understand the limitations and advantages of all these technologies.

The second part of this tutorial series will cover the remaining XML technologies required for the exam -- namely XPath, XSLT, XLink, XPointer, XSL-FO, CSS, SAX, and DOM.

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Table of contents

• Overview
• An introduction to XML
• DTDs
• W3C XML Schema
• Web services
• Security
• Wrap up
• Resources
• About the authors

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