You have a SharePoint Server 2010 server farm. The farm contains two Web servers. The load
between the two Web servers is distributed by using DNS round robin. You need to ensure that the
farm is available for all users if one of the web servers fails. What should you do?

A.
Implement Windows Network Load Balancing.

B.
Add a new Web server to the farm.

C.
Configure netmask ordering.

D.
Configure alternate access mappings.