Your boss wants you to install vSphere 4 server on two HP C-class Blades. Each blade
has two dual core CPU’s. How many vSphere processor licenses will be needed for this
setup?
A.
4
B.
12
C.
2
D.
8
Explanation:
ESX and vCenter Server Installation Guide, ESX 4.0, vCenter Server 4.0, page 108.
‘License keys have a certain amount of capacity. Capacity is based on the number of
processors in the host or the number of instances of the software asset. Dual-core and
quad-core processors, such as Intel processors that combine two or four independent
CPUs on a single chip, count as one processor.’
Therefore since there will be 4 CPUs in total, 4 licenses are required.
Really… the question says “Each blade has two..” there for the answer should be D. (8 Processors)
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It’s per socket, not per core, so the correct answer is 4, i.e. 2 blades with 2 processors
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