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Mulesoft Interview Questions

1) doyou have experiance in mule3.

2) what are the diff btw mule3 and mule4.

3) what are the versions runtime you are using

4) what is the diff btv flow, subflow, private

5) FTP/SFTP--and configuration , diff operations 

6) filesize is more and have less vcores what you can do.

7) what is a scheduler.

8) what is fixed freequency, cron

9) cloud hub default timezone--Ans:UTC

10)how to sechedu a scheduler after before scheduler complete.

11) re-connection stratogy , where we will apply

12) untill successfull

13) what are the scopes you have worked.

14) the file size is bigger , no workers available.

15)System A and B provide data asynchronously: The data is not available at the same time.

You need to aggregate the data: Data from both systems must be combined and sent to a destination.

Handle timing differences: Since both systems don't return data simultaneously, you must wait for data from both or handle data persistence.

16) what is the output of parllel for eatch.

17) what is maxconcurance in parlell foreatch

18) explain the diffrences btw foreatch, parlell for eatch , batch job.

19) explain the diffrences btw parlell for eatch , batch job.

20) when to go for parlell foreatch and when to go for batchjob.

21) What is anypoint exchange

22) what isa connector

22) do you have any custome connectors creation experiance.

23) what is Async scope - and when to use.

24) what is apikit router and explain

25) what is the apikit console 

26) what is a transformer in mule

27) explain scatergather or components of scater gather.

28) ho to handle errors in scatergather

29) explain for-eatch component

30) can we exicute scate-gather as synchronus? if yes how? if no why?

31) what is the transaction

32) what are the connectors that supports transaction 

33) explain parlell foreatch scope.

34) Explain anypoint MQ . why should we go for other MQ's when we have anypoint mq?

35) Explain JMS configuration?

36) diffrent types of messaging services. 

37) what is the queue 

38) what is topic

39) difbtw que and topic.

40) message order in queues

41) explain vm connectors and it's use cases

42) what are the dif operations of vm connector.

43) what is the dif btw the publish and publishconsume in JMS connector.

45) Whatis a choice router, explain

46) if all routes are valid in choice ? which one will exicute?

47) how can you valdate json,xml in mulesoft?

48) what is corilationid, what is transactionid and what are the diffrences?

49) what is objectstore and explain the operations.

50) what are the required things to configure salesforce connector.

51) what are the diffrent operations available

52) what are the connection types

53) Explain the CICD process you used.

54) DO you have a setting up CICD process

55) mUnit testing-explain.

56) what software model you folowed (Watrefall/Agail)

57) explain flow-reference

58) how do you handle failed records in batch job.

59) how to remove variable in mule.

60) what are the best practices to improve the process exicution .increase performance best practices

61) connection pooling


Error Handling:

1)Explain Errorhandling in mulesoft

2)how do you manage business errors

3)what is the diffrence btw onerrocontinue and onerrorpropogate

4)howto raise error without using error component.

5)how to handle errors in sub-flow

6)how to continue process ater getting error inside the for-eatch scope

7)how to continue process ater getting error inside the parlellfor-eatch scope

8)how to continue process ater getting error one of the sca router.

9) explain the global error handler




Runtime Manager Interview Questions


1) what is runtime manager explain

2) which version of cloudhub you used

3) what is the dif btw cloudhub 1.0, 2.0

4) what is scaling  and dif btw vertical and horizontal scaling.

5) what is vCore, worker

6) featurs of worker

7) what are the min and max vCore and workers  explain

8) what is horizontal scaling and explain

9) what is vertical scaling and explain.

10) how to do performance testing 

11) what is muleruntime

12) howto install muleruntime in server

13) explain diff deployment model

14) what is control plain, runtime plain.

15) auto tuning?

16) what is cluster

17) what is server group

18) dif btw cluster and servergroup

19) how to achive clustring in mulesoft

20) what is the implimentation url and proxy url

21) what is anypoint vpc

22) what is a loadbalencer

23) what is shared loadbalencer and dedicated loadbalencer

24) what is domain project & can we use it in cloudhub

25) can we desable cloudhub logs

26) 




  • Brief introduction about your experience.
  • What was the last account you have worked on?
  • How many companies have you worked for?
  • Explain one of the flows you have worked on.
  • CloudHub and RTF differences explain.
  • Which version you used?
  • Diff between SOA and EAI.
  • When we go for WSDL or when we go for RAML?
  • Explain Parallel Process and Batch Job.
  • Explain Batch Job and steps involved.
  • In real-time, how records will be processed in a batch job?
  • DataWeave test: Can you define an array of common elements to find from two arrays?
  • Interviewr name: Harsh
  • Self introduction
  • Do you have Salesforce experience?
  • What's your current project and day-to-day roles?
  • What is the biggest challenge you have faced recently in a project?
  • Explain how you resolved that biggest issue.
  • How was the API fault tolerance issue resolved?
  • Have you heard of persistence queues and dead-letter queues?
  • What is Mule Event Processor?
  • What is Mule Event and Mule Event Processor?
  • Explain scopes in MuleSoft.
  • What is Scatter-Gather?
  • What do you think about Batch Scope?
  • What are the steps in a batch job and explain?
  • Do you know MUnit test and explain?
  • Have you used MUnit test recently?
  • How does MuleSoft support CI/CD?
  • Which deployment have you used?
  • Is MUnit a CI/CD model?
  • What is DataWeave?
  • How do you implement lookup transformation in DataWeave?
  • What are the steps to write lookup functions?
  • What are the best DataWeave writing formats?
  • What is a private and sub-flow?
  • What are the differences between private and sub-flow?
  • What are the different types of flow processing processes?
  • Have you used different patterns in Mule? What are they?
  • What is the difference between XML, JSON, HTTP, and REST?
  • What is the difference between SOAP and REST?
  • What is the full form of HTTP and HTTPS?
  • What is the full form of REST and SOAP?
  • What are the filters?
  • How do you convert JSON to CSV format?
  • What is the best way to convert nested arrays to a simple array in Mule?
  • How would you achieve date format?
  • What is the difference between Map and Reduce in Mule?


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