Which of the following is the number of 7-inch high servers that can be installed in a 42U rack?

The correct answer is C. 10. A rack unit (U) equals 1.75 inches. A 42U rack is therefore 42 × 1.75 = 73.5 inches of usable space. A 7-inch server occupies 7 ÷ 1.75 = 4U per server. Dividing available space: 42U ÷ 4U = 10.5, which rounds down to 10 servers. You cannot install a partial server, so the…

Server hardware installation and management

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(43 responses)

B
2% (1)
C
93% (40)
D
5% (2)

Explanation

A rack unit (U) equals 1.75 inches. A 42U rack is therefore 42 × 1.75 = 73.5 inches of usable space. A 7-inch server occupies 7 ÷ 1.75 = 4U per server. Dividing available space: 42U ÷ 4U = 10.5, which rounds down to 10 servers. You cannot install a partial server, so the maximum is 10.

Topics

#rack units#server form factor#rack capacity#U height

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