Objectives
Understand the functions of the data link layer
Understand the concept of hop-to-hop delivery compared to host-to-host delivery and application-to-application delivery
Understand the concept of access method and define different access methods used in LANs and WANs
Understand how error control is handled at the data link layer
Understand the addressing mechanism used in the data link layer and how network layer addresses are mapped to data link layer addresses
Homework