Question

Suppose users share a 3 mbps link. also suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time. (see the discussion of packet switching versus circuit switching in section 1.3.)

a. when circuit switching is used, how many users can be supported?

Answer 1

The correct answer is 20 users can be supported.

Suppose users share a 3 Mbps link. Also suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time. Then, 20 users can be supported.