इंटरनेट पर प्रत्येक होस्ट कंप्यूटर के पास एक अनूठा नंबर होता है, जिसे क्या कहा जाता है?

Broadcasting media content live or on-demand over the Internet is known as:

A technique used for sending messages, receiving messages, and sharing documents between computers over a network is known as __________.

Which of the following offers a system to access documents spread over several servers across the Internet?