Consider the following DTD (Document Type Definition) schema rules.

<!ELEMENT title (#PCDATA)> <!ELEMENT description (#PCDATA)>
Along with these, which of the DTD schema rules below correctly defines an XML product element that must contain exactly one title element and one description element?

Question

Consider the following DTD (Document Type Definition) schema rules.


    <!ELEMENT title (#PCDATA)>
		<!ELEMENT description (#PCDATA)>

Along with these, which of the DTD schema rules below correctly defines an XML product element that must contain exactly one title element and one description element?

Answer

<!ELEMENT product (title, description?)>

Answer

<!ELEMENT product (title, description)>

Answer

<!ELEMENT product (title, description*)>

Answer

<!ELEMENT product (title | description)>

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Consider the following DTD (Document Type Definition) schema rules. <...

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