Which of the following is a technology that allows you to hear and watch video clips as soon as they start downloading from the Web site, instead of waiting for the download to complete?

Session Initiation Protocol (SIP) is a signaling protocol used for establishing, modifying, and terminating real-time multimedia sessions over IP networks, such as voice and video calls, but it is not the technology for playing media as it downloads.

Streaming media is a technology that allows the continuous transmission of audio and video files over the internet, enabling users to play the content almost immediately as it downloads, rather than waiting for the entire file to be stored locally.

HTTP streaming is a method of delivering streaming media using the Hypertext Transfer Protocol (HTTP), but 'Streaming media' is the overarching technology concept, not a specific protocol name that universally defines the 'hear and watch as soon as they start downloading' feature.

Slipstreaming is the process of integrating updates, service packs, or drivers into a Windows installation source, not a technology for playing media files from the web.