Which three features are only available in the vSphere Client when using a vSphere Distributed
Switch? (Choose three.)

A.
Port Mirroring

B.
PVLAN tagging

C.
Storage I/O Control

D.
Ingress Traffic Shaping

E.
802.1q VLAN Tagging

Explanation:
http://pubs.vmware.com/vsphere-51/topic/com.vmware.ICbase/PDF/vsphere-esxivcenter-server-51-networking-guide.pdf