"using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer."

Broadband is a communication channel in which several users can simultaneously use a single connection for high-speed data transfer. The broadband communication channel has wide bandwidth, which means that it can transport data with high rates.  It is referred as high-speed Internet access and provides data transmissions in different directions and by many different users.

Ithink the answer is letter d

Ais your answer hope that