Which two advanced features should be disabled for virtual machines that are only hosted on a vSphere system?

Which two advanced features should be disabled for virtual machines that are only hosted on a vSphere system? (Choose two.)
A. isolation.tools.unity.push.update.disable
B. isolation.tools.ghi.launchmenu.change
C. isolation.tools.bbs.disable
D. isolation.tools.hgfsServerSet.enable

Correct Answer: AB
Explanation/Reference:
Explanation:
Disable Unexposed Features
VMware virtual machines are designed to work on both vSphere systems and hosted virtualization platforms such as Workstation and Fusion. Certain VMX parameters do not need to be enabled when you run a virtual machine on a vSphere system. Disable these parameters to reduce the potential for vulnerabilities.
Prerequisites
Turn off the virtual machine.
Procedure

Reference:
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc%2FGUID-60E83710-8295-41A2-9C9D83DEBB6872C2.html