Which of the following is not true about Dataflow pipelines?

Which of the following is not true about Dataflow pipelines?
A . Pipelines are a set of operations
B . Pipelines represent a data processing job
C . Pipelines represent a directed graph of steps
D . Pipelines can share data between instances

Answer: D

Explanation:

The data and transforms in a pipeline are unique to, and owned by, that pipeline. While your program can create multiple pipelines, pipelines cannot share data or transforms

Reference: https://cloud.google.com/dataflow/model/pipelines