You have a SharePoint Server 2010 server farm. The farm contains the servers configured as shown
in the following table:

You need to ensure that users can perform searches if a single server fails. What should you do?

A.
Add a new SharePoint Server 2010 server to the server farm. Configure the new server as a crawl
server.

B.
Add a new SharePoint Server 2010 server to the server farm. Remove the query component from
Server2 and configure the new server as a query server.

C.
Add two new SharePoint Server 2010 servers to the server farm. Configure one server as a Web
server and as a query server. Configure the other server as a crawl server.

D.
Add a new database server to the server farm and configure database mirroring. Add a new
SharePoint Server 2010 server to the server farm and configure the server as a Web server and as a
query server.

Explanation:
BURGOS MNEMO: “database mirroring”