Information system for decision making

A)    Imagine that you are an IT organizational leader in a mid-sized company. Comprise a justifiable argument for the use of data warehouses, data centers, and data marts in order to support for business intelligence (BI) within the organizational structure. 

B)    Ascertain the need for a robust network infrastructure to support strategic initiatives related to BI within an organization of your choice. Moreover, analyze the main reasons why the network is the key to data needs throughout the organization.