I have a schematic design for a printed/ electronic circuit board. I want to know the meaning of certain symbols/ labels in the schematic design. I have highlighted in the below picture, the relevant areas in green, yellow and grey boxes:
Question 1: In the yellow box, is it a ferrite bead (labelled FB2)? but the schematic symbol is of an inductor. Is it a ferrite bead or an inductor?
Question 2: In the green box, there are 2 grounds, why?
Question 3: In the grey box, there is a symbol for a single pin named 'TESTPT1'. So what does it mean? Do I need a 01 x 01 connector at this place? How will I choose an electronic connector/ component from the market for this 'TESTPT1'?
I would appreciate answer(s) to any/ some or all of above questions.