The Big Bang Approach Has a Number of Disadvantages, Including

Multiple Choice

The big bang approach has a number of disadvantages, including:

A) The definitions of data elements may not map exactly to those definitions provided by the enterprise system developer.
B) Since they require more coordination up front, big bang projects are harder to manage.
C) Since the business process specialists have to concur on the configuration settings at the beginning of implementation, this forces the approach to be more fully integrated.
D) The implementations seem to move along more slowly than in the phased approach.