Refer to the exhibit.
What is needed to allow host A to ping host B?
A.
a straight-through cable connecting the switches
B.
a crossover cable connecting the switches
C.
a router connected to the switches with straight-through cables
D.
a CSU/DSU connected to the switches with straight-through cables
E.
a backbone switch connecting the switches with either fiber optic or straight-through cables
Explanation: