protocol networks

Question 1

layer 4- application layer

Answer 1

turning data into websites and other application and vice versa

Question 2

layer 3 - transport layer

Answer 2

controlling data flows eg splitting data into packets and checking packets are correctly sent and delievered

Question 3

level 2 - network layer

Answer 3

making connections between networks, directing data packets and handing traffic. Used by routers

Question 4

level 1 - data link layer

Answer 4

passing data over the physical network. Responible for how bits are sent as electrical signal over cables, wireless and other hardware.