SK0-005 · Question #290
A server administrator is installing servers in a rack that does not have rack unit markings on the sides. The available open space for the new servers is approximately 3.5in (8.9cm) high. Which of…
The correct answer is B. 2U. Given that 1U is equivalent to 1.75 inches, a 2U server (3.5 inches) is the largest size that can fit into an approximately 3.5-inch high space.
Question
A server administrator is installing servers in a rack that does not have rack unit markings on the sides. The available open space for the new servers is approximately 3.5in (8.9cm) high. Which of the following is the LARGEST server size that can fit in this space?
Options
- A1U
- B2U
- C3U
- D4U
How the community answered
(27 responses)- B89% (24)
- C4% (1)
- D7% (2)
Why each option
Given that 1U is equivalent to 1.75 inches, a 2U server (3.5 inches) is the largest size that can fit into an approximately 3.5-inch high space.
A 1U server is 1.75 inches tall, which would fit, but a larger 2U server could also fit, and the question asks for the LARGEST.
A single rack unit (1U) is a standard measure equal to 1.75 inches (4.45 cm). Therefore, a 2U server would be 2 * 1.75 inches = 3.5 inches (8.9 cm) tall, precisely fitting the available space.
A 3U server is 3 * 1.75 inches = 5.25 inches tall, which is larger than the available 3.5-inch space.
A 4U server is 4 * 1.75 inches = 7 inches tall, which is significantly larger than the available 3.5-inch space.
Concept tested: Rack unit (U) dimensions
Source: https://www.techtarget.com/searchdatacenter/definition/rack-unit-U
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