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

question 16

Multiple Choice

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.
-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:

Costs Incurred

Expenses recognized in accounting, representing the cost of doing business and acquiring or producing goods.

Contract Price

The agreed-upon price for goods or services specified in a contractual agreement.

Installment Sales Method

Accounting method that recognizes revenue when payments are received rather than at the point of sale.

Revenue

The total income generated by a company from its business activities, such as sales of goods or services, before any expenses are deducted.