Which Web site feature should you configure to prevent the members of Group1 from accessing a Web site?

You have a server that runs Windows Server 2008 R2. The server has the Web Server (IIS) server role installed.
The server contains a Web site that is configured to use only Windows Authentication.
You have a security group named Group1 that contains several user accounts.
You need to prevent the members of Group1 from accessing a Web site.
You must not prevent other users from accessing the Web site.

Which Web site feature should you configure?

A.
Authentication

B.
Authorization Rules

C.
IIS Manager Permissions

D.
SSL Settings

Explanation:
Add or Edit Allow Authorization Rule and Add or Edit Deny Authorization Rule Dialog Boxes

Use the Add Allow Authorization Rule,the Edit Allow Authorization Rule, the Add Deny Authorization Rule, or the Edit Deny Authorization Rule dialog box to define rules for access to content.