An administrator needs to install a 2U server into a rack. Which of the following shows how much
space, in height, needs to be available for the server to fit in the rack?

A.
1.75 inches (4.45 cm)

B.
2.5 inches (6.35 cm)

C.
3.5 inches (8.89 cm)

D.
4.25 inches (10.8 cm)