Which three features are only available when using a vNetwork Distributed Virtual Switch? (Choose three)

A.
NetFlow Monitoring

B.
802.3ad Link Aggregation

C.
Network I/O Control

D.
Egress Traffic Shaping

E.
IEEE 802.1p Qos tagging

Explanation:
Removed Egress traffic shaping and added option E.

Page 72 of vsphere-esxi-vcenter-server-50-networking-guide.pdf

Configure NetFlow Settings
NetFlow is a network analysis tool that you can use to monitor network monitoring and virtual machine traffic.
NetFlow is available on vSphere distributed switch version 5.0.0 and later.

Ref:
vsphere-esxi-vcenter-server-50-networking-guide.pdf from vSphere documentation andhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Networking-Technical-Whitepaper.pdf