You have a SharePoint Server 2010 server farm that contains the servers shown in the following table:

Server1     Web, query, and crawl
Server2         Database

You create a Web application that uses port 80. The Web application uses Windows authentication and is accessed by using the URL http://server1.

You need to ensure that users can access the Web application by using the following URLs:

* http://server1 and Windows authentication
* https://server1.contoso.com and anonymous authentication.

What should you add?

A.
a host header

B.
a new authentication provider

C.
a new zone

D.
an internal URL to the Alternate Access Mappings settings

Explanation:
BURGOS MNEMO: “Alternate Access Mappings settings”