A parts supplier sends an XML structured data feed to vendors. The project lead proposes a method to ensure every product listing meets strict guidelines for names, categories, and features. Which approach guarantees that each tag is recognized and that the content follows an established format?
Insert placeholder text for each missing product field
Attach a standard web page to define product sections
Provide a plain text file with each product on its own line
An external definition file (XSD) verifies tags, element types, and ordering within XML-based data. Placeholders do not require valid element behavior. Loading items as plain text on separate lines does not confirm markup consistency. Adding a standard web page has no mechanism to enforce structural constraints. With a schema, each element is checked for correct naming and content, reducing invalid entries.
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What is an external definition file (XSD)?
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How does an XSD verify XML data?
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Why can't placeholders or plain text files ensure correct XML formatting?