What is the minimum CPU core requirement for successful installation, or upgrade, or ESXi on a host? (Choose the best answer.) 

Answer options:

A. 8
B. 1
C. 32
D. 2

D

Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.upgrade.doc/GUID-DEB8086A-306B-4239-BF76-E354679202FC.html