If a switch has eight 100-Mbps ports,the backplane has to support a total of ____ Mbps.
A) 200
B) 400
C) 600
D) 800

Question

Quizplus · Accepted Answer

If a switch has eight 100-Mbps ports, the backplane has to support a total of 800 Mbps. This is because each port has a maximum bandwidth of 100 Mbps and all ports can be used simultaneously, so the total bandwidth required by the backplane is 8 times 100 Mbps, giving a total of 800 Mbps. Choice D is the only option that reflects this calculation.

If a Switch Has Eight 100-Mbps Ports,the Backplane Has to Support