XML INTERVIEW QUESTIONS

Are you a developer? Need to update your software development knowledge or need to prepare for a job interview? Check out this collection of XML Interview Questions and Answers...

XML Interview Questions and Answers

• What is XML?
• What is a markup language?
• Where should I use XML?
• Why is XML such an important development?
• Describe the differences between XML and HTML.
• Describe the role that XSL can play when dynamically generating HTML pages from a relational database.
• What is SGML?
• Aren't XML, SGML, and HTML all the same thing?
• Who is responsible for XML?
• Why is XML such an important development?
• Give a few examples of types of applications that can benefit from using XML.
• What is DOM and how does it relate to XML?
• What is SOAP and how does it relate to XML?
• Why not just carry on extending HTML?
• Why should I use XML?
• Can you walk us through the steps necessary to parse XML documents?
• Give some examples of XML DTDs or schemas that you have worked with.
• Using XSLT, how would you extract a specific attribute from an element in an XML document?
• When constructing an XML DTD, how do you create an external entity reference in an attribute value?
• How would you build a search engine for large volumes of XML data?
• What is the difference between XML and C or C++ or Java?Updated
• Does XML replace HTML?
• Do I have to know HTML or SGML before I learn XML?
• What does an XML document actually look like (inside)?
• How does XML handle white-space in my documents?
• Which parts of an XML document are case-sensitive?
• How can I make my existing HTML files work in XML?
• Is there an XML version of HTML?
• If XML is just a subset of SGML, can I use XML files directly with existing SGML tools?
• Can XML use non-Latin characters?
• What's a Document Type Definition (DTD) and where do I get one?
• Does XML let me make up my own tags?
• How do I create my own document type?
• How do I write my own DTD?
• Can a root element type be explicitly declared in the DTD?
• I keep hearing about alternatives to DTDs. What's a Schema?
• How do I get XML into or out of a database?
• Can I encode mathematics using XML?Updated
• How will XML affect my document links?
• How does XML handle metadata?
• Can I use JavaScript, ActiveX, etc in XML files?
• Can I use Java to create or manage XML files?
• How do I execute or run an XML file?
• How do I control formatting and appearance?
• How do I use graphics in XML?
• How do I include one XML file in another?
• What is parsing and how do I do it in XML
• When should I use a CDATA Marked Section?
• How can I handle embedded HTML in my XML
• What are the special characters in XML
• Do I have to change any of my server software to work with XML?
• I'm trying to understand the XML Spec: why does it have such difficult terminology?
• Can I still use server-side inclusions?
• Can I (and my authors) still use client-side inclusions?
• How can I include a conditional statement in my XML?
• I have to do an overview of XML for my manager/client/investor/advisor. What should I mention?
• What is the purpose of XML namespaces?
• What is an XML namespace?
• Does the XML namespaces recommendation define anything except a two-part naming system for element types and attributes?
• What do XML namespaces actually contain?
• Are the names of all element types and attributes in some XML namespace?
• Do XML namespaces apply to entity names, notation names, or processing instruction targets?
• Who can create an XML namespace?
• Do I need to use XML namespaces?
• What is the relationship between XML namespaces and the XML 1.0 recommendation?
• What is the difference between versions 1.0 and 1.1 of the XML namspaces recommendation?
• How do I declare an XML namespace in an XML document?
• Where can I declare an XML namespace?
• Can I use an attribute default in a DTD to declare an XML namespace?
• Do the default values of xmlns attributes declared in the DTD apply to the DTD?
• How do I override an XML namespace declaration that uses a prefix?
• How do I override a default XML namespace declaration?
• How do I undeclare an XML namespace prefix?
• How do I undeclare the default XML namespace?
• Why are special attributes used to declare XML namespaces?
• How do different XML technologies treat XML namespace declarations?
• How do I use prefixes to refer to element type and attribute names in an XML namespace?
• How do I use the default XML namespace to refer to element type names in an XML namespace?
• How do I use the default XML namespace to refer to attribute names in an XML namespace?
• When should I use the default XML namespace instead of prefixes?
• What is the scope of an XML namespace declaration?
• Does the scope of an XML namespace declaration include the element it is declared on?
• If an element or attribute is in the scope of an XML namespace declaration, is its name in that namespace?
• What happens when an XML namespace declaration goes out of scope?
• What happens if no XML namespace declaration is in scope?
• Can multiple XML namespace declarations be in scope at the same time?
• How can I declare XML namespaces so that all elements and attributes are in their scope?
• Does the scope of an XML namespace declaration ever include the DTD?
• Can I use XML namespaces in DTDs?
• Do XML namespace declarations apply to DTDs?
• Can I use qualified names in DTDs?
• Can the content model in an element type declaration contain element types whose names come from other XML namespaces?
• Can the attribute list of an element type contain attributes whose names come from other XML namespaces?
• How can I construct an XML document that is valid and conforms to the XML namespaces recommendation?
• How can I allow the prefixes in my document to be different from the prefixes in my DTD?
• How can I validate an XML document that uses XML namespaces?
• If I start using XML namespaces, do I need to change my existing DTDs?
• How do I create documents that use XML namespaces?
• How can I check that a document conforms to the XML namespaces recommendation?
• Can I use the same document with both namespace-aware and namespace-unaware applications?
• What software is needed to process XML namespaces?
• How do I use XML namespaces with Internet Explorer 5.0 and/or the MSXML parser?
• How do applications process documents that use XML namespaces?
• How do I use XML namespaces with SAX 1.0?
• How do I use XML namespaces with SAX 2.0?
• How do I use XML namespaces with DOM level 2?
• Can an application process documents that use XML namespaces and documents that don't use XML namespaces?
• Can an application be both namespace-aware and namespace-unaware?
• What does a namespace-aware application do when it encounters an error?
• What is a qualified name?
• What characters are allowed in a qualified name?
• Where can qualified names appear?
• Can qualified names be used in attribute values?
• How are qualified names mapped to names in XML namespaces?
• How are universal names represented?
• Are universal names universally unique?
• What is an XML namespace prefix?
• What characters are allowed in an XML namespace prefix?
• Can I use the same prefix for more than one XML namespace?
• What does the URI used as an XML namespace name point to?
• What is an XML namespace name?
• Can I resolve the URI used as an XML namespace name?
• Can I use a relative URI as a namespace name?
• What is XPointer?
• How do I install the XPointer processor?
• What is server-side XPointer?
• What about non-XML resources?
• What XPointer schemes are supported in this release?
• How do I configure an XPointer processor?
• How do integrate XPointer into my application?
• How do I implement an application-specific XPointer scheme?
• How do I support very large resources?
• How do I contribute?
• What's XLink?
• What are the valid values for xlink:actuate and xlink:show?
• Mock question: What is the correct answer of the following question? Which of the following is true about XLink and HTML hyperlinks?
• What three essential components of security does the XML Signatures provide?
• XLink Processing and Conformance
• XLink Markup Design
• Is XML case-sensitive?
• What’s the difference between // comments, /* */ comments and /// comments?