An administrator has a virtual machine configured with the following settings:
ESXi version: 5.1
CPU: vCPUs 6
Memory: 48GB
Hardware version: 7
VMware Tools: Installed
Which two actions must the administrator take in order to utilize vNUMA? (Choose two.)
A. Upgrade the ESXi host to vSphere 5.5 or later.
B. Upgrade to Virtual Hardware version 8.
C. Configure numa.vcpu.min to 5
D. Configure numa.vcpu.min to 6
B+D
Virtual NUMA topology is available to hardware version 8 virtual machines and is enabled by default when the number of virtual CPUs is greater than eight. You can also manually influence virtual NUMA topology using advanced configuration options.
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-3E956FB5-8ACB-42C3-B068-664989C3FF44.html
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-3E956FB5-8ACB-42C3-B068-664989C3FF44.html
because in the default setting numa starts working with a minimum of 9 virtual CPUs