1. Information and the Internet
Packets are used to describe internet layer messages. ... A physical link is connection between two devices regardless of their properties. ... The internet layer uses Internet Protocol (IP) because TCP (transport layer) requires it. ... Different devices are used to for connection in the physical, data link, and internet layers. ... Switches convert different physical layer connections for different ports. ...
- Word Count: 547
- Approx Pages: 2
- Grade Level: High School