A customer is using Maximo 4.1.1 in oil and gas environment. In order to meet the business needs, they do various DLL customizations. How will these customization be upgraded to IBM Maximo Asset Management V7.1 (IMAM)?

A.
An IBM Upgrade Utility will upgrade all these customizations to IMAM.

B.
Integration Framework will be used to upgrade these customizations to IMAM.

C.
Migration Managertool will help in upgrading all these customization to IMAM.

D.
The functionality will be required to be replicated by using the custom Java classes and Java Beans.