Your network contains a server named Server1. Server1 has the Streaming Media Services role
installed. The network contains two subnets named Subnet1 and Subnet2. You create an ondemand publishing point named Publishing1 on Server1. You need to ensure that only users from

Subnet1 can access Publishing1. What should you configure from the Windows Media Services
console?

A.
From the properties of Server1, configure the Limits settings.

B.
From the properties of Server1, configure the Authentication settings.

C.
From the properties of Publishing1, configure the Credentials settings.

D.
From the properties of Publishing1, configure the Authorization settings.

Explanation:
WMS IP Address Authorization
The WMS IP Address Authorization plug-in is used to control access to your content based on client
Internet Protocol (IP) addresses. You can add specific IP addresses or ranges of IP addresses for
which you want to allow or restrict access. You can configure the following options on the General
tab for this plug-in.

Source: http://technet.microsoft.com/en-us/library/cc770273.aspx