Answer:
HDLC is one of the most commonly used internet protocols (IP) in what is Layer 2 of the industry communication reference model called Open Systems Interconnection (OSI).
Explanation:
The answer to this is C :D
Answer:
A: shift in user's role from the passive consumer of content to its creator
Explanation:
During the phase of Web 2.0, consumers evolved from just been highly informed and socially connected (in other words, they evolved from being just passive consumers) to a more engaged and empowered consumer. This implied that consumers could easily adapt to new technologies to meet individual needs and create an emotional bond with brands. They evolved from passive consumers to being the creators of what they wanted to meet their specific needs.
