In vSphere 4 what is the Maximum amount of ports supported on a vSwitch?

A.
1016

B.
256

C.
Unlimited

D.
4088

Explanation:
Configuration Maximums VMware vSphere 4.0 and vSphere 4.0 Update 1, page 6.
Table 5. Networking Maximums
Virtual network switch ports per standard switch 4088