Your company has an office in New York and an office in Seoul. The offices connect to each other by
using a WAN link. The New York office contains all sales and marketing staff. The Seoul office
contains all manufacturing and research staff.
The network contains a single Active Directory domain.
You plan to deploy SharePoint Server 2010 to support both offices.
You need to recommend a solution that meets the following requirements:
Network traffic across the WAN link must be minimized.
All documents must be stored on servers located in the office where the documents were created.
SharePoint users in New York and Seoul must be able to find documents in both offices when they
perform searches. What should you recommend?

A.
a server farm in each office that has a Web server located in each office

B.
a single server farm that uses two site collections and a Web server in each office

C.
a server farm in each office and a search federation between the farms

D.
a single server farm that uses two content databases and Microsoft SQL Server database
mirroring between the two offices

Explanation: