As a network administrator, you have to deal with a situation where an Ethernet segment leading from your company's data center uses fiber$-$optic cable to connect to a workgroup switch that only accepts twisted$-$pair $($copper$)$ cable. In this case, which of the following would you use to interconnect the switch with the fiber$-$optic cable?

a$.$ Fiber connector

b$.$ Media converter

c$.$ Tone generator

d$.$ Fiber transceiver