XML and ADO.NET
If an XML document does not have a DTD, then by definition it is:

an HTML document.
type-valid.
None of these
not-type-valid.

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XML and ADO.NET
What is not true about SOAP?

SOAP now is just a name, not an acronym
SOAP was an early form of XML.
SOAP originally meant Simple Object Access Protocol.
SOAP was defined as an XML-based standard for providing remote procedure calls over the Internet.

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