Before we discuss how DEP applies to Synapse Pipelines, it is important to level-set on some Synapse Pipelines specific concepts – if you are familiar with Synapse Pipelines or Azure Data Factory you can skip over this section and jump to Synapse Pipeline connectivity without DEP enabled.
For a more generalized introduction to Synapse Pipelines check out this doc article.
Synapse Pipelines enables users to connect to a range of different data services, through what is called a Linked Service.
The big trick, using self-hosted integration runtimes, is something Luke spends a fair amount of time on.