Which statement describes the functionality of traffic shaping on a vNetwork Distributed Switch?

Which statement describes the functionality of traffic shaping on a vNetwork Distributed Switch?

A.
vNetwork Distributed Switches support only egress traffic shaping

B.
vNetwork Distributed Switches support both ingress and egress traffic shaping

C.
vNetwork Distributed Switches support best-effort traffic shaping based on quality of service (QoS)

D.
vNetwork Distributed Switches support only ingress traffic shaping

Explanation:
Page 56 from vsphere-esxi-vcenter-server-50-networking-guide.pdf