layer 1 of the osi model, which provides the electrical and mechanical connection to the network. (hub)
layer 1 of the osi model, which provides the electrical and mechanical connection to the network  ex) (eia/tia)-related technologies, utp, fiber, and network interface cards (nics)
earnings of  the benchmark 10-year treasury notes increased from 3.07 percent in june to 4 66 percent in august