What are two likely causes of this issue?

An administrator attempts to increase the number of vCPUs in a virtual machine to 32. The configuration cannot be successfully completed. What are two likely causes of this issue? (Choose two)

A.
The vSphere 5 implementation has a license which does not include virtual SMP.

B.
The total number of cores in the host is 32 and a CPU must be reserved for ESXi.

C.
The virtual machine was built using version 7 virtual machine hardware.

D.
The vSphere 5 implementation is using an Enterprise license.

Explanation:

Virtual Hardware V.7 is limited to 8 vCPU and

Page 6 from vsphere_pricing.pdf

Entitlements per CPU license Standard Enterprise Enterprise Plus
32GB/8way 64GB/8way 96GB/32way
(vRAM Entitlement / vCPU/VM)