No you do not have a raised floor, but yes its good for managing cable. When I was in Cisco we had a network in class, but we had what you would call a "raised ceiling" Basically all the wiring was done in the raised ceiling and the wires were brought down through metal pipes for a pop connection. Most of the wires are marked with a tag for network adminstrators. The bad side of a raised ceiling is due to the lights and neon lights they cause something called EMS(Electromagnetic Static) which slows down the network. If you build a network with a raised ceiling I suggest using Fiber Optic cable since it elimates EMS.