To Establish Circuit Loading, the Designer Usually Starts with The

To establish circuit loading, the designer usually starts with the:

A) total characters transmitted per day on each circuit, or, if possible, the number of characters transmitted per two-second intervals if peaks must be met
B) individual user training
C) bus diameter, disk cache that is used at the server station
D) channel bandwidth and baud rate used at each client
E) local, trunk, IXC, DDD, and leased-line circuit bandwidth for each node