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Which of the following in an attribute cannot be modified after its creation?

  1. Type

  2. Ranges

  3. Default Value

  4. Name

  5. Vault

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A Correct answer
Explanation

In Matrix/3DX PLM systems, an attribute's data type is locked at creation and cannot be changed later. This is a fundamental schema design principle - changing a type would break existing data and require database migration. Ranges, default values, and names can typically be modified through schema updates or admin tools without affecting the core data structure.