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ColdFusion Interview Questions and Answers

1
What is ColdFusion?
  • ColdFusion is a programming language.
  • It is based on HTML standard and used for writing dynamic web pages.
  • Content database can be built with Cold fusion using various input templates.
  • These input templates are combined with application programs for creating web sites
  • ColdFusion has application server and a framework which are the tremendous support for developing software products.
2
Difference between Cold fusion MX 6 and Cold fusion MX 7?

Windows authentication introduced thorough "cfntauthenticate" tag
cfcompile utility introduced which used for Sourceless deployment
Administrator API: Change ColdFusion settings programmatically, without logging into the CF Administrator.
Gateways: SMS, IM (based on Extensible Messaging and Presence Protocol) gateways introduced
Flash forms , Skinnable XML forms introduced
New report builder introduced

3
What is WDDX? Where all are applicable?
  • XML should be agreed by both sender and receiver applications
  • To do so, the XML files should be well formed
  • WDDX is a contribution to XML community from Macromedia.
  • An open source XML DTD to define generic data types like strings, arrays, record sets
  • WDDX is an XMLanguage which defines data as raw data itself
  • Data sharing is possible with WDDX via XML quickly and painless
4
Compare Cold fusion with other programming languages?

For every language has its pros and cons. Q5 is answer for this also, But I will point out one or 2 advantages of CF over other languages.
vs PHP : Ajax features, Integration with adobe products, community support, J2EE
vs Java : Easy to learn, Code developmet & maintence cost
vs .NET : All OS, Most of webserver Support

5
What are the advantages of Coldfusion?
  • The migration and installation is simple
  • Cross platform support – All OS supports ColdFusion
  • Supports all databases
  • Easy learning curve and faster development
  • Supports all types of protocols
  • Supports integrating other Adobe products such as Flex, Flash, PDF
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