Case 2-1
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 A - : This is not a valid element declaration in DTD. Option B - : This is the right choice since the "advanced" element will not contain any content. The EMPTY keyword specifies that the element has no content. Option C - : This declares an element without specifying whether it has content or not. Option D - : The NIL keyword is not recognized in DTD.

Case 2-1 Casey Is Using XML to Store Information About the Students