What port is used for iSCSI?

What port is used for iSCSI?

A.
3260

B.
903

C.
23

D.
1160

Explanation:
Please see:
http://en.wikipedia.org/wiki/ISCSI
Heading: Functionality
Also Port 860 can be used though it may not be the port used in vSphere/ESXi 5.