You are a Windows Server 2008 systems administrator responsible for providing access to a large volumeof video files to registered users of your organization？？s public Web site. All the video files are located within the D：\Public\Videos folder. Content producers often create and modify these videos. Recently， usershave complained that they are experiencing poor performance when accessing videos during busy times.During these images， the Windows Media Services server that hosts the content is experiencing high CPUand network bandwidth use. You want to minimize the administrative time and effort required to increaseperformance. Which of the following actions should you take to resolve the problem？（）

A. Copy the training videos to another folder on the Windows Media Services server.
B. Install the Streaming Media Services server role on additional servers， and configure them as cachingservers.
C. Install the Streaming Media Services server role on additional servers， and configure them as proxyservers.
D. Enable the Limit Outgoing Distribution Connections option in the properties of the publishing point.