Tööstuslik andmeside kontrolltöö 2 abimaterjal - vastused
The send sequence, or next send N(S), and the receive One sender, one receiver, one link - easier than broadcast link:
uses NRZ (Non Return to Zero) signal · always sequence, or next receive N(R), hold the frame sequence numbers. no Medium Access Control(MAC) [RFC2516]) is a method to transport PPP packets over Ethernet segments.
center bit transition, edge transition if needed The Poll/Final bit - for unbalanced link access control: when the primary sends no need for explicit MAC addressing Since PPP was designed to do things that were either impossible or unnecessary