Multiple choice technology web 2.0

What does DTD stand for?

  1. Dynamic Type Definition

  2. Data Type Definition

  3. Document Type Definition

  4. Direct Type Definition
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C Correct answer
Explanation

DTD stands for Document Type Definition, which defines the structure and legal elements of an XML document. It specifies what tags are allowed, their order, and how they can be nested, providing validation rules for XML documents.

AI explanation

DTD stands for Document Type Definition. A DTD defines the legal building blocks of an XML document — which elements and attributes may appear, their nesting rules, and data types — so a parser can validate a document's structure. 'Dynamic Type Definition' and 'Direct Type Definition' are invented distractors with no meaning in XML. 'Data Type Definition' is a plausible-sounding trap but wrong: DTDs describe document/element structure, not primitive data types (that's closer to what XML Schema's type system does). 'Document Type Definition' is the standard, universally used term from the XML/SGML specifications.

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