How is the page file for a Windows guest operating system or the swap partition for a Linux guest
operating system created?

A.
By the ESXi host

B.
By the guest operating system

C.
By the vCenter server

D.
By the vCenter cluster

Explanation:
http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-AC40823A-695B-438AA8F2-4B7C51A0D014.html