network layer

Question 1

network layer purpose

Answer 1

1.addressing of end devices : using unique ip addresses

2..encapsulation:the data (called packet in this layer) is done by adding an ip header for the source and sitination

3.routing: the network layer provides services to direct the packet to other networks

4.de encapsulation:the distination de encapsulates the packet to see if it matches its own

Question 2

netwrok layer protocol

Answer 2

ipv4 and ipv6

Question 3

charectaristics of the ip address

Answer 3

1.connectionless
2.best effort (will not garuantee your delivery of the packet)
3.unrelaible (doesnt fix your corrupt packets or detects error it depends on other protocols for this )
4.media independent it can be sent over copper or fiber etc