XPath Quiz Final

What is XPath?

• A programming language used for styling XML documents

• A query language used to select nodes from an XML document

• A markup language used for defining custom tags in HTML

• A protocol for transferring XML data over a network

What does XPath use to select nodes or node-sets in an XML document?

• CSS selectors

• Path expressions

• SQL queries

• HTML tags

Which XPath expression is used to select all elements in an XML document?

• //*

• /root/*

• //element()

• /*/*

Which XPath expression selects all <book> elements where the <price> is greater than 25?

• //book[price > 25]

• //book[@price > 25]

• //book[price=25]

• //book/price > 25

Which XPath expression selects a <book> element with an id attribute equal to "b1"?

• //book[id="b1"]

• //book[@id="b1"]

• //book/#id="b1"

• //book[id=='b1']

Which XPath expression selects the <author> of the <book> with the <title> "Mastering XML"?

• //author[title="Mastering XML"]

• //book/title="Mastering XML"/author

• //book[title="Mastering XML"]/author

• //book[@title="Mastering XML"]/author

Which XPath expression selects the title of the first <book> element?

• //book[1]/title

• //title[1]/book

• /book[1]/title

• //book/title[1]

Which XPath expression selects all <book> elements where the <genre> is "Programming"?

• //book[@genre="Programming"]

• //book[genre="Programming"]

• //genre[book="Programming"]

• //book[genre='programming']

Which XPath function returns the length of a <title> element's text content?

• count(title)

• length(title)

• string-length(title)

• text-length(title)

Which XPath expression checks if the <title> contains the word "Code"?

• //book[contains(title, 'Code')]

• //book[title='Code']

• //book[contains(text(), 'Code')]

• //book[title/text()='Code']