You create a new item that has a tracking dimension group. The tracking dimension group
includes serial numbers as an active dimension. You need to configure the item to use
automatic allocation of the serial numbers. What should you create?
A.
A number group
B.
A cost group
C.
An item model group
D.
An item group
it’s A – a number group
A.
https://technet.microsoft.com/en-us/library/aa591648.aspx