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

question 82

Multiple Choice

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.

-After you teach Casey about declarations for elements with child elements, he constructs the element declaration <!ELEMENT class ((seminar | lesson | workshop) , time?) >.Given this declaration, which of the following is NOT a valid "class" element?

• A) <class><seminar>Beginner Drawing</seminar><time>Mon. 3-4</time></class>
• B) <class><lesson>One-on-One Painting</lesson><time>Tues. 11-noon</time></class>
• C) <class><seminar>Oil Painting</seminar><lesson>brushstrokes</lesson></class>
• D) <class><workshop>Working with Clay</workshop></class>

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Definitions:

Euphoria

A feeling or state of intense excitement and happiness.

Excitation

In psychology, a state of arousal or heightened physiological activity, often in response to a stimulus.

Tobacco

A plant whose leaves are dried and fermented before being put in tobacco products, which are consumed for nicotine.

Euphoria

A state of intense happiness and self-confidence, often more than is appropriate in a given situation, sometimes caused by drugs or manic episodes.