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...are emerging the marketplace.

The IBM XML Certification Exam is more difficult and complex than most of the tests or questionnaires used to hire new employees and contractors. By preparing to pass the IBM XML Certification Exam, you will gain the knowledge required to score high at your next interview and get the job you deserve.

Question 1 (Information Modeling)

Which of the following is the best method for preventing any derivation-by-restriction from being used in place of the Message type?

A. B. C.

Select one answer.

Explanation: Choice C is the correct answer. A schema author can control which derivation and substitution groups may be used in documents that comply with the schema. Replacement by derived types is controlled with the block attribute in the type definition.

In this case, bloc="restriction" is used to block any derivation-by-restriction from being used in place of the Message type.

block="extension" is used to block derivations-by-extensions from being used in place of a type. block="all" is...

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