Hypertext Markup Language
<span>Clients depend on a working main server to perform their jobs: no, p2p relies on a structure without a central server.
</span><span>Individuals can easily add or remove devices from their network: yes, this is true.
</span><span>Requires an IT professional, but easy to add clients to server and give privileges: no, in p2p, the server doesn't play a role.
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<span>Software is maintained on the server, allowing for easy access to upgrade programs for all users: this is not an aspect of p2p</span>
Answer: B webcast
Explanation:
A webcast is a technology that allows the live broadcast of an audio or video event on the Internet. It is also known as Web lecture, virtual meeting, etc. The major advantage is that it gives room for an event to have a larger reach. Webcast participation can be through PC, smart phones, tablets and other devices with quality Internet access.
<span>The encapsulation unit on the presentation layer of the OSI model is the Data link layer (2).</span>
Answer:
Composite Keys.
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