Adobe ColdFusion
Interview Questions
You'll Most Likely Be Asked
Job Interview Questions Series
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Adobe ColdFusion Interview Questions You'll Most Likely Be Asked
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6. Database, Stored Procedures, Queries and Transactions
7. Debugging, Error and Exception Handling
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Adobe ColdFusion Interview Questions
Review these typical interview questions and think about how you would answer them. Read the answers listed; you will find best possible answers along with strategies and suggestions.
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1: In ColdFusion 9, what happens if you name a function 'Location'?
Answer:
CF throws an error as 'Location' is now a reserved word used by CFSCRIPT.
2: Name three new tags introduced in ColdFusion 9.
Answer:
cfcontinue, cffinally, cffileupload
3: What version of ColdFusion introduced the CFWINDOW Tag?
Answer:
Version 8
4: Give examples of ColdFusion complex variables.
Answer:
structs, arrays, queries, XML and objects
5: Name the two tags in ColdFusion used to consume SOAP Web services.
Answer:
CFINVOKE, CFOBJECT
6: What ColdFusion function can be used to convert the data type of a ColdFusion variable to a specified Java type?
Answer:
JavaCast
7: What ColdFusion function is used to set a new locale?
Answer:
SetLocale() sets the country/language locale for ColdFusion processing. The SetLocale() value determines the default format of date, time, number, and currency values e.g SetLocale("English (UK)")
8: What is CFEXIT’s primary role in a ColdFusion custom tag?
Answer:
The CFEXIT tag aborts processing of the currently executing CFML custom tag.
9: What will this line of code do in a Custom tag <cfif thisTag.HasEndTag is 'False'>?
Answer:
The variable 'thisTag.HasEndTag ' is used to determine whether an end tag is specified in a custom tag. If the user specifies an end tag then the variable is set to 'True'.
10: What does the 'addToken' attribute in <cflocation url="test.html" addToken="Yes"> do?
Answer:
The addToken attribute lets you send client information to the target page.
11: What is CFCOLLECTION used for?
Answer:
It is used to create a Verity or Solr search collection.
12: ColdFusion lets you store client variables as Cookies in web browsers. List two disadvantages of storing variables this way.
Answer:
a) Users can configure browsers to disallow Cookies.
b) Only a limited amount of data can be stored in Cookie (about 4kb).
13: What attribute determines if a CFCOOKIE is a Persistent cookie or a Session cookie?
Answer:
The ‘expires’ attribute is used to specify a date when it is a Persistent cookie. The attribute is not required in a Session cookie.
14: When using CFHTTP, the content returned is stored in what variable?
Answer:
cfhttp.FileContent
15: Which is the universal language that applications use to request a web service from another server?
Answer:
Applications use SOAP (Simple Object Access Protocol) to request web services from another server.
16: What is the function PreserveSingleQuotes used for?
Answer:
By default ColdFusion will automatically escape single quotation mark characters that are contained in a variable; 'PreserveSingleQuotes' prevents this from happening.
17: The following string <cfset myString = """text text"" 'more text'"> causes a Javascript error when called in the script below:
<script>
s = "<cfoutput>#myString#</cfoutput>";
alert(s);
</script>
What ColdFusion function can be used to ensure ‘myString’ does not return a JavaScript error?
Answer:
JSStringFormat() The function escapes special JavaScript characters, such as single quotation mark, double quotation mark. e.g JSStringFormat(myString)
18: In the following code, what is the value of 'tmp'?
<cfset removeText="4-3_primary_key_101">