A systems administrator is preparing a 42U enclosure for a new site. The rack must contain ten 2U compute nodes, one 4U storage array, two 1U top-of-rack switches, and one 2U power distribution unit mounted at the bottom. No other blanking panels or filler shelves will be installed. After mounting the listed hardware, how many additional 1U servers could still be installed in the same rack?
A standard full-height enclosure provides 42 U of vertical space.
Ten 2U servers consume 20 U (10 × 2).
One 4U array consumes 4 U.
Two 1U switches consume 2 U.
One 2U PDU consumes 2 U.
Total used space = 20 U + 4 U + 2 U + 2 U = 28 U. Remaining space = 42 U − 28 U = 14 U. Because each additional server requires 1 U, the administrator can install 14 more 1U servers. The other options miscalculate the unused rack units.
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