The classic objective of a network design model has been to:

A) establish the number, location, and size of finished goods distribution centers and associated product flows.
B) find the best location for a forward-facing warehouse.
C) examine the finished goods flow from the warehouse to the customer.
D) measure and control site locations.

The classic objective of a network design model has been to establish the number, location, and size of finished goods distribution centers and associated product flows. This includes determining the optimal placement of warehouses and distribution centers to minimize transportation costs and improve efficiency in the supply chain. Options B, C, and D are all part of this larger objective.