A technician is installing a 2U rack mount server. The necessary rack space height to accommodate the server is:

A technician is installing a 2U rack mount server. The necessary rack space height to accommodate the server is:
A. 2.5 inches (.064 meter).
B. 3.0 inches (.076 meter).
C. 3.5 inches (.089 meter).
D. 4.0 inches (.10 meter).