What is one of the benefits of using logical switches in an NSX environment?

A.
Quality of Service parameters are automatically configured in a logical switch.

B.
The physical infrastructure is responsible for maintaining the logical switch broadcast tables.

C.
The physical infrastructure is not constrained by MAC/FIB table limits.

D.
IP subnet definitions can be migrated into logical switches using the NSX Manager.

Explanation:
https://pubs.vmware.com/NSX-6/index.jsp?topic=%2Fcom.vmware.nsx.admin.doc%2FGUIDDF57C441-CE9A-4138-9639-1658DBE65D48.html