layer 4
Layer Five ended in 1999.
transport layer of osi model is responsible for end to end delivery of packets over a network
The Access Layer
Cartilage.
Layer 3 (network layer).
Layer 4 transport
+network layer logical communication between hosts +transport layer: logical communication between processes ex: we have 2 house and one house have 12 room. kids in the houses send letter together. network layer: only send letter between the houses transport layer: it make sure that the letter be sent to right the room in the house.
In your dermis.
reduces unnecessary broadcasts
Well Earth science is related to the end of the world because the gases from our automobiles are killing the ozone layer and the ozone layer is protecting us from the sun and if the ozone layer brakes the sun will be so hot on us that we could die.
tracking transmitted dataacknowledging received dataRetransmitting acknowledge data