On which two vSphere elements can traffic shaping be configured? (Choose two.)

A.
On a vSphere Distributed Switch dvPort for inbound and/or outbound traffic

B.
On a vSphere Distributed Switch for inbound and/or outbound traffic

C.
On a vSphere Standard Switch port group or the entire vSwitch for inbound traffic

D.
On a vSphere Standard Switch port group or the entire vSwitch for inbound and outbound traffic

Explanation:
http://pubs.vmware.com/vsphere-4-esxi-installablevcenter/topic/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_config/advanced_netw
orking/t_edit_dvport_policy_traffic_shaping.html