Case 12-1
Casey is using XML to store information about the students in the science classes that he teaches. He wants to design a DTD that he can use to validate the XML documents that he uses for this purpose, and he comes to you for help.

-Casey next wants to write a declaration for an element named "advanced" that he will use to record the fact that a student is advanced.This element will not contain any content.Which of the following is an appropriate element declaration for this element?

Question

Quizplus · Accepted Answer

Option B is the appropriate element declaration for an element that will not contain any content. The keyword "EMPTY" is used to declare an element with no content. Option A is incorrect because "NONE" is not a valid keyword in an element declaration. Option C is incorrect because it does not specify whether the element can have content or not. Option D is incorrect because "NIL" is not a valid keyword in an element declaration.

Case 12-1 Casey Is Using XML to Store Information About the Students