Data link layer

LLC

Mac

Porque se dividio la data link layer en sublayers

Routers

Como se crea un frame

Header

Data

trailer

frame start or end flag

Addressing

Type

Contoled

data

error detected

topology

Media sharing

point -to point

hub and spoke

mesh

physical poitn to pint

logical point to point

Half-duplex

contyention bases

accesso controlado

Carrier sense multiple access with collision detection (CSMA/CD)

Carrier sense multiple access with collision avoidance (CSMA/CA)

CRS

IP