XYZ Corp.$$s Nashua, NH$,$ facilities are two office buildings $400$ feet apart, each with its own LAN.

To connect the two networks, you plan to dig a trench and lay cable in conduit between the two

buildings. You want to use fiber$-$optic cable, but your budget$-$conscious facilities manager wants to use

$100$ Mbps Ethernet over twisted$-$pair. What reasons can you use to justify fiber$-$optic cable in this case,

and why?