Last Updated on October 6, 2020 by InfraExam
What is one main characteristic of the data link layer?
- It generates the electrical or optical signals that represent the 1 and 0 on the media.
- It converts a stream of data bits into a predefined code.
- It shields the upper layer protocol from being aware of the physical medium to be used in the communication.
- It accepts Layer 3 packets and decides the path by which to forward the packet to a remote network.