(I'm very new to this subject. Just spent hours researching it out of curiosity and had something bugging me)
So, recently I have been learning very much about switches and how they work. As I was typing this, I literally began to answer my own question! Originally I was wondering why a switch may have more than 1 SFP port on it. And I'm pretty sure you use that port to connect to other switches (correct?). But then I remembered that switches remember the fastest path to each other switch, which allows it to transfer data between one another once their familiar with the topology of the network.
So, now I'm just double checking to make sure I'm not completely wrong. Am I right as to why there is more than 1 SFP port? That way you can connect your switches to multiple places to allow better paths if needed? And SFP is used for truck lines (the patch cables between switches)?
(last random question if anyone knows this by chance. Is crossover cables (patch cables used between switch and switch) still used?)
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