You are the administrator for a SharePoint Server 2010 Service Pack 1 (SP1) farm.
You need to implement an enterprise search technology that meets the following requirements:
Allows users to search people and their expertise.
Crawls content outside the SharePoint.
Provides metadata-driven refinement in the top results.
Provides phonetic searches.
Provides thumbnails and previews for documents.
Which search technology should you use? (Choose the best answer.)

A.
Search Server 2010 Express

B.
SharePoint Server 2010 Search

C.
User Profile Service

D.
FAST Search Server 2010 for SharePoint