$($C$)$ Communication Components: describe each of the following types of communication components:

Communication Hardware components:

Layer $1$: $($such as:$.$ twisted pair, copper cable, optical fiber$).$

Layer $2$: $($such as: Ethernet switch, Wi$-$Fi switch$)$

System, devices: $($such as: routers, gateway, GPS$,$ cell phones$)$

Communication Software components:

Layer $2$: $($such as: Wi$-$Fi$,$ Ethernet, DSL$,$ Cable$)$

Layer $3$: IP

Layer $4$: TCP$,$ UDP, etc.

Application layer: HTTP$,$ XML$,$ SOAP, RPC$,$ etc.