Case 11-1 Ryan Is New to the Use of XML, So He

question 25

Multiple Choice

Case 11-1
Ryan is new to the use of XML, so he has a lot of basic questions about the fundamentals, including some philosophical questions about the language.

-Ryan asks how the rules for a given XML vocabulary are specified, and you explain that it is done using either a document type definition (DTD) or schema.Which of the following is NOT a true statement about DTDs and schemas?

• A) Both DTDs and schemas contain rules for how data in a document vocabulary should be structured.
• B) A DTD defines the structure of the data and, very broadly, the types of data allowable.
• C) A schema more precisely defines the structure of the data and specific data restrictions.
• D) DTDs and schemas are required, but they are seldom helpful in ensuring that your XML documents follow a specific vocabulary.

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Definitions:

Presentation

The act of showing, explaining, or displaying information or ideas to an audience, often in a structured format.

Useful Clues

Information or hints that help in solving a problem, understanding a situation, or answering a question.

Purpose

The reason for which something is done or created or for which something exists.

Effective Writing

The ability to express ideas and information in a clear, concise, and compelling manner.