Delta Init Without Data Vs. No data transfer delta status in Source Fetched

Greetings,

I am new to SAP and I'm wondering what are the benefits/draw backs between these two options.

From what I understand, they preform the same function.

What is different between (Delta Init Without Data) & (No data transfer delta status in Source Fetched)

Which one should I use when pulling new data from Source to DSO?

And DSO1 to DSO2?

I am also on a 7.3 system

Please feel free to view the document for more information.

Thanks again for your time and effort.