Web Data Management
Which statement is true?

All XML elements must have a closing tag
All the statements are true
All XML elements must be lower case
All XML documents must have a DTD

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Web Data Management
The use of a DTD in XML development is ?

used to direct conversion using an XSLT processor
required when validating XML documents
no longer necessary after the XML editor has been customized
a good guide to populating a templates to be filled in when generating an XML document automatically

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