How do we send ones and zero = TDMA so on.
Layer 1 = copper, twisted pair, fiber
Layer 2 =
Control access = control quantity of service.
Random access = no reservation,
What is subnet? How does it work?
- break network into group. Alau us to work
TECH TOPIC 20: CYBER SECURITY AND COMMUNICATIONS
In Tech Topic #19, the importance of communications systems as the backbone for
information exchange including voice, data, video, and Internet connectivity for all other
critical industry sectors within th
How does data go from one computer to another computer?
OSI reference model
Layer 7: (Upper Layer Data)
- file transfer
- remote connections
Datagrams are called Upper Layer Data