In my studies we are right now learning about computer communication and i've gotten into a disagrement with my teacher whether a hub is operating on layer 1 or layer 2.
My understanding of a hub is that it is just a repeater with multiple outputs but looking at the exam we are gonna take the right answer of which layer a hub is on is always layer 2.
Question: Since the internet pretty much unanimous agrees that a hub is operating on layer 1 I wonder what arguments can be made for it operating on layer 2.
Hub is usually term for L1 device. However, L2 switch is sometimes called switching hub. Common terms for devices facilitating connection of multiple networked nodes on layers 1, 2 and 3 are:
