Case 3-1 Judy Wants to Be Able to Validate the XML Documents

Multiple Choice

Case 3-1
Judy wants to be able to validate the XML documents that she uses for recipes. These documents include numeric elements that specify ingredient amounts and cooking times, so you recommend that she use a schema instead of a DTD, and you teach her some of the key facts about schemas.
-Which of the following is NOT an advantage of schemas over DTDs?

A) They are more flexible than DTDs in dealing with mixed content.
B) They support more data types than DTDs.
C) They provide better support for namespaces.
D) They are simpler to create and maintain.