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Akanksha
Akanksha

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Top 30 Xml Interview Questions with Answers multiple choice style

1. What does XML stand for?

a) Extensible Markup Language
b) eXtensible Multilayer Language
c) Experimental Markup Language
d) Extra Modern Language
Answer: a) Extensible Markup Language

2. Which of the following is a well-formed XML document?

a) XML Basics
b) XML Basics
c) XML Basics
d) XML Basics
Answer: c) XML Basics

3. What does DTD stand for in XML?

a) Document Type Definition
b) Document Translation Document
c) Dynamic Type Declaration
d) Document Tagging and Design
Answer: a) Document Type Definition

4. In XML, what is the purpose of CDATA?

a) To define character data that should not be parsed
b) To indicate a comment in the XML document
c) To specify a data type for elements
d) To represent binary data
Answer: a) To define character data that should not be parsed

5. Which of the following is not a valid XML attribute data type?

a) CDATA
b) ID
c) Integer
d) NMTOKEN
Answer: c) Integer

6. What does XML Schema define?

a) Document structure and data types
b) Document transformation rules
c) Document encryption methods
d) Document authentication mechanisms
Answer: a) Document structure and data types

7. Which character is used to indicate the end of an XML element?

a) /
b) ;
c) .
d) >
Answer: d) >

8. What is the purpose of an XML namespace?

a) To specify the language of the document
b) To group elements and attributes with a common name
c) To indicate the version of the XML specification used
d) To define the character encoding of the document
Answer: b) To group elements and attributes with a common name

9. Which of the following is an advantage of using XML?

a) It is a binary format, making it more efficient for data transfer.
b) It is limited to specific use cases and cannot be adapted to different needs.
c) It is a platform-dependent format, which can lead to compatibility issues.
d) It provides a flexible and self-descriptive way to structure data.
Answer: d) It provides a flexible and self-descriptive way to structure data

10. What is the purpose of an XML declaration?

a) It specifies the version of the XML specification used.
b) It defines the document's structure and data types.
c) It marks the beginning and end of an XML document.
d) It defines the character encoding of the document.
Answer: a) It specifies the version of the XML specification used

11. What does XPath stand for?

a) XML Path
b) Extensible Path
c) XML Access Protocol
d) XML Query Language
Answer: a) XML Path

12. Which of the following is an XPath expression to select all elements in an XML document?

a) /book
b) //book
c) /book/*
d) /book[@type='novel']
Answer: b) //book

13. In XML, what is an entity reference?

a) A reference to an element in another XML document
b) A reference to an external entity, often used for special characters
c) A reference to a DTD definition
d) A reference to an XML comment
Answer: b) A reference to an external entity, often used for special characters

14. What does XML-RPC stand for?

a) XML Remote Procedure Call
b) XML Resource Provider
c) XML Representation and Processing Consortium
d) XML Request for Public Comments
Answer: a) XML Remote Procedure Call

15. What is the primary purpose of XML namespaces?

a) To simplify XML documents by avoiding the use of elements and attributes
b) To define a unique identifier for each XML document
c) To resolve naming conflicts and ensure element uniqueness
d) To hide XML data from unauthorized access
Answer: c) To resolve naming conflicts and ensure element uniqueness

16. Which XML format is commonly used for exchanging data between web services?

a) XML-RPC
b) SOAP
c) REST
d) JSON
Answer: b) SOAP

17. Which of the following is an XML-based technology used for defining and exchanging structured data in a platform-independent way?

a) REST
b) HTML
c) XML-RPC
d) Web Services Description Language (WSDL)
Answer: d) Web Services Description Language (WSDL)

18. What is the purpose of an XML document's Document Type Declaration (DOCTYPE)?

a) It defines the structure and data types of the document.
b) It specifies the version of XML used.
c) It provides instructions for rendering the document.
d) It identifies the root element of the document.
Answer: a) It defines the structure and data types of the document

19. Which of the following is an XML-based technology used for describing the structure of an XML document and validating it?

a) XSLT
b) XML Schema
c) XPath
d) XML-RPC
Answer: b) XML Schema

20. What is the purpose of the CDATA section in an XML document?

a) To define comments that are not displayed in the final output.
b) To specify character data that should not be treated as markup.
c) To create links to external documents.
d) To define the document's character encoding.
Answer: b) To specify character data that should not be treated as markup

21. What is the purpose of an XML comment?

a) To define the root element of the XML document
b) To provide additional information about the document structure
c) To include executable code in the XML document
d) To add metadata about the XML document
Answer: b) To provide additional information about the document structure

22. In XML, what is an element?

a) A type of XML comment
b) A piece of content that can have attributes and child elements
c) A reference to an external entity
d) A special type of XML tag
Answer: b) A piece of content that can have attributes and child elements

23. Which of the following is true about XML schema data types?

a) They are optional and not necessary for XML documents.
b) They define the structure of XML elements and attributes.
c) They cannot be defined for XML elements.
d) They are only used for XML attributes.
Answer: b) They define the structure of XML elements and attributes

24. What is the purpose of XML namespaces in SOAP messages?

a) To ensure XML message encryption
b) To specify the version of the SOAP protocol
c) To define the structure of SOAP messages
d) To prevent naming conflicts in XML elements and attributes
Answer: d) To prevent naming conflicts in XML elements and attributes

25. What is the purpose of the XML entity ?

a) It represents a non-breaking space.
b) It indicates the end of an XML element.
c) It defines a new XML namespace.
d) It represents a line break.
Answer: a) It represents a non-breaking space.

26. What does XML Namespace URI (Uniform Resource Identifier) uniquely identify?

a) The namespace prefix
b) The namespace name
c) The XML document itself
d) The XML schema used
Answer: b) The namespace name

27. Which of the following is an advantage of using XML over JSON?

a) XML has a simpler and more intuitive syntax.
b) XML is more lightweight and efficient for data transfer.
c) XML supports a wider range of data types.
d) XML is more widely supported by modern web browsers.
Answer: c) XML supports a wider range of data types.

28. Which of the following is a valid XML attribute value?

a) value with spaces
b)
c) "value"
d) value&
Answer: c) "value"

29. What is the purpose of the XML processing instruction?

a) To define the document's structure
b) To provide instructions for processing the XML document
c) To define the document's character encoding
d) To define the document's root element
Answer: b) To provide instructions for processing the XML document

30. In XML, which character is used to escape reserved characters?

a) &
b) %
c) #
d) $
Answer: a) &

31. What is the purpose of the XML element ?

a) To define a CDATA section within an XML document
b) To create a comment in the XML document
c) To define a new XML namespace
d) To specify the XML document's version
Answer: a) To define a CDATA section within an XML document

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