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XML

66 XML interview questions

Only coding challenges
Topic progress: 0%

XML Fundamentals


  • 1.

    What is XML and what does it stand for?

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  • 2.

    What are the key features and benefits of XML?

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  • 3.

    Explain the difference between XML and HTML.

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  • 4.

    What is an XML document and what are its main components?

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  • 5.

    Describe the structure of an XML element.

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  • 6.

    What is the purpose of XML attributes?

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  • 7.

    Explain the concept of XML namespaces.

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  • 8.

    What is the difference between well-formed and valid XML?

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  • 9.

    What is the role of XML declaration in an XML document?

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  • 10.

    Describe the concept of XML entities and their usage.

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XML Syntax and Structure


  • 11.

    What are the rules for naming XML elements and attributes?

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  • 12.

    Explain the difference between XML elements and attributes.

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  • 13.

    What is the purpose of XML comments and how are they represented?

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  • 14.

    Describe the concept of XML processing instructions.

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  • 15.

    What is the difference between an empty element and a self-closing element in XML?

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  • 16.

    Explain the concept of XML CDATA sections and their usage.

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  • 17.

    What is the purpose of the XML prolog and what does it contain?

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  • 18.

    Describe the concept of XML character references and their usage.

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  • 19.

    What is the difference between an XML document and an XML fragment?

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  • 20.

    Explain the concept of XML whitespace handling.

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XML Validation and Schemas


  • 21.

    What is XML Schema and its purpose?

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  • 22.

    Explain the difference between XML DTD and XML Schema.

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  • 23.

    What are the key components of an XML Schema document?

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  • 24.

    Describe the concept of XML Schema data types.

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  • 25.

    What is the purpose of XML Schema elements and attributes?

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  • 26.

    Explain the concept of XML Schema complex types and their usage.

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  • 27.

    What is the difference between XML Schema simple types and complex types?

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  • 28.

    Describe the concept of XML Schema facets and their usage.

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  • 29.

    What is the purpose of XML Schema namespace declarations?

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  • 30.

    Explain the concept of XML Schema substitution groups.

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XML Parsing and Processing


  • 31.

    What is XML parsing and why is it important?

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  • 32.

    Explain the difference between DOM and SAX parsing.

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  • 33.

    What are the advantages and disadvantages of using DOM parsing?

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  • 34.

    Describe the concept of XML XPath and its usage.

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  • 35.

    What is the purpose of XML XSLT and how does it work?

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  • 36.

    Explain the concept of XML DOM traversal and manipulation.

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  • 37.

    What is the difference between XML pull parsing and push parsing?

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  • 38.

    Describe the concept of XML streaming and its benefits.

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  • 39.

    What is the purpose of XML SAX events and how are they handled?

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  • 40.

    Explain the concept of XML StAX (Streaming API for XML) and its usage.

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XML Technologies and APIs


  • 41.

    What is XML DOM (Document Object Model) and its purpose?

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  • 42.

    Explain the concept of XML SAX (Simple API for XML) and its usage.

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  • 43.

    What is XML JAXP (Java API for XML Processing) and its key components?

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  • 44.

    Describe the concept of XML JAXB (Java Architecture for XML Binding) and its benefits.

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  • 45.

    What is the purpose of XML XQuery and how does it differ from XPath?

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  • 46.

    Explain the concept of XML Namespaces and their usage in XML technologies.

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  • 47.

    What is XML Signature and its role in XML security?

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  • 48.

    Describe the concept of XML Encryption and its purpose.

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  • 49.

    What is the purpose of XML Canonicalization and its usage?

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  • 50.

    Explain the concept of XML Catalogs and their benefits.

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XML Best Practices and Design Patterns


  • 51.

    What are some best practices for designing XML schemas?

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  • 52.

    Explain the concept of XML modularity and its benefits.

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  • 53.

    What is the purpose of XML versioning and how is it achieved?

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  • 54.

    Describe the concept of XML internationalization and localization.

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  • 55.

    What are some common XML design patterns and their usage?

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  • 56.

    Explain the concept of XML data binding and its advantages.

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  • 57.

    What is the purpose of XML data validation and how is it performed?

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  • 58.

    Describe the concept of XML data transformation and its techniques.

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  • 59.

    What are some best practices for XML performance optimization?

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  • 60.

    Explain the concept of XML security and its key considerations.

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Advanced XML Topics


  • 61.

    What is XML Signature and how does it ensure data integrity?

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  • 62.

    Explain the concept of XML Encryption and its role in data confidentiality.

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  • 63.

    What is the purpose of XML Digital Signatures and how are they created?

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  • 64.

    Describe the concept of XML Key Management and its importance.

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  • 65.

    What is the role of XML in web services and service-oriented architectures (SOA)?

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  • 66.

    Explain the concept of XML-based protocols such as SOAP and REST.

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