Some connection links between various devices in a network are given:
PC ----[cable 1]-----Router
Router----- [cable 2]------Router
Router-----[cable 3]------Switch
cable 1, cable 2 and cable 3 respectively are:
a. Cross over cable, Straight thorugh cable,Cross over cable
b. Cross over cable, Cross over cable, Straight thorugh cable
c. Straight thorugh cable, Cross over cable,Straight thorugh cable
d. Straight thorugh cable, Straight thorugh cable, Cross over cable,