Multiple choice technology

These are stages that perform some processing on the data that is passing through them (Choose two.)

  1. File

  2. Aggregator

  3. Transformer

  4. All of the above

Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Aggregator performs grouping and aggregation operations like sum, count, avg on data passing through. Transformer applies business logic and data transformations. File is an I/O stage for reading/writing data, not processing it. Therefore B and C are the correct processing stages.