Adobe ColdFusion Interview Questions

• CFC (ColdFusion Component) has multiple entry points whereas Custom Tags have only a single entry point
• CFC can be persistent but Custom Tags cannot be persistent
• In the name of web services, CFCs can be accessed everywhere. In the case of Custom Tags, it can be accessed only by ColdFusion and locally.
• Validation mechanism besides formalized parameter passing will be supported by CFC buy not by Custom Tags.

• By using Application.CFC, initialize the code
• The required tag attributes should be specified

The original ColdFusion extensibility interface is used to execute CFX tags, write extensions with the implementation of CFX interface and write C, C++ and Java tags.

AJAX UI elements (Supported by ColdFusion) can be used to create Tab strip with the deployment of <cflayout> and <cflayoutarea>

Syntax:

<cflayout type =” “>

<cflayoutarea title= “ “>….

</cflayoutarea>

</cflayout>

Flash form resembles HTML form incorporated by flash format. Web browsers that have flash player enabled support the execution of Flash form.

With the use of tag, the Flash binary of swf format form is generated automatically by ColdFusion.

In addition to enhancing user experiences, Flash forms also have several features such as automatic positioning of elements, accordion-style and multiple-tab form panes. Apart from these features, cfcalender, cfgrid and cftree are other elements available to be displayed as Flash Objects.

Transactions are made simple and compact by CFTransaction. When there are more than one transactions assigned, CFTransactions connects with DBMS to transform such multiple transactions into a single transaction.

Syntax

<cftransaction action=”…………..

     </cftransaction>

• ColdFusion is cross platform independent (Supports any OS ) and it acts as a linking bridge to every kind of databases.
• Besides supporting all types of protocols, it also works for the integration of various other Adobe Products such as Flash, Flex and PDF.
• ColdFusion doesn’t have a complicated migration and installation procedures rather it is very simple and easy to understand.
• ColdFusion is practically light to learn and its prospect is noteworthy, especially when it comes to faster development.

ColdFusion searches for the directory tree in case, if the Application.cfm file page is unavailable. In fact, multiple Application.cfm file is also possible in an application.