Best network cables for networking two buildings

[n amrie mahmoud]

Hello,
Plan a network to Connect 2 buildings 3 storey high with a distance of 500m between each building.
Each floor is occupied by the Finance Department, Administration Department and Computing Department.
the report should have the following items. Anything extra is encouraged.
a. Introduction
b. Network Diagrams
c. Devices that will be used.

 

[ngrego]

500m is too far for copper cable, you will need optic fiber for that distance.