XML mock tests

Part A · 12 questions

1. Two elements use different prefixes bound to the same namespace URI. Are they in the same namespace?
   Yes: the URI identifies the namespace, not the prefixNo: different prefixes mean different namespacesOnly if the prefixes are declared on the same element
2. A document declares xmlns="https://example.com/books" on its root. What does the XPath //book match?
   Nothing, because unprefixed XPath names mean "no namespace"Every book elementOnly the first book
3. What is the main purpose of XML?
   To style web pagesTo store and transport structured dataTo write server-side programs
4. Which expression selects the first book?
   //book[0]//book[1]//book.first
5. How are repeated items usually represented in JSON?
   As an arrayAs repeated keysAs attributes
6. A book has three authors. How should they be stored?
   As three author elements, perhaps inside an authors elementAs three author attributesAs one author attribute containing commas
7. Is <Name>Asha</name> well-formed?
   YesNo, because XML tags are case-sensitive
8. Which is the best fit for an attribute?
   A currency code describing a priceA product's long descriptionA list of reviews
9. In XML without a schema, what type is the value of <qty>2</qty>?
   TextA numberA boolean
10. How do you select the id attribute of each book?
    //book/id//book/@id//book[id]
11. What does xmlns:f="https://example.com/furniture" do?
    Declares the prefix f for that namespaceDownloads definitions from that addressRenames the element to f
12. Which axis selects later elements that share the same parent?
    descendant::following-sibling::ancestor::