bead

Why we are using ferrite bead and bypass capacitor, if both are for removing noise? Can you explain why we are using both in the circuit and difference between using them, and where we need to use and how to calculate it?

Hi guys, decided to ask. maybe someone came across this, but I did not find how to identify a damaged element. In general, I need an element identification. since many manufacturers of SMD components it is very difficult to identify them without special expensive equipment. The circuit...