MuleSoft Interview Questions& Answer

MuleSoft Top 10 Interview question

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1. What is ESB. why do we go for ESB and Its features
2. Data-weave Language.
   . how to create functions/variable
   . how to create flowVars/sessionVars/properties in DWL
   . how to call inboundProperites/flowVars/sessionVars in DWL
   . global functions
   . how to call other flows in dwl? using lookup. can (privateflow/subflow)
   . skip on null — everywhere
   . filters
   . ascending and descending order
   . split
   . ++ and +
   . $$ and $
   . map and map object
   . how to call properties file- how many ways to call
   . map operator.
   . how to create properties file in dwl
   . how to avoid null pointer exceptions in dwl
   . how to externalize the script
   . how to data retrieve from List
   . based on the condition how to retrieve particular record in the List
   . how to write if condition in dwl.