MuleSoft Associate Development Fundamental Practice Test

During the batch job Load and Dispatch phase, what data structure is created to hold the records for processing?

Map Set Queue Array

Correct Answer:

Queue

Explanation:

During a batch job, the Load phase gathers all the records, and the Dispatch phase places those records into a queue so multiple workers can pull items off and process them in parallel. A queue fits this role because it provides a simple, orderly way to distribute work in FIFO order as resources become available. This is ideal for processing many records efficiently across parallel steps. Other structures don’t match this use: a Map is for key-value pairs, a Set enforces unique elements without a processing order, and an Array is just a static list without built-in mechanisms to feed multiple workers.

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