CCNA Exploration Semester 1-Chapter 5

Layer 3 protocol A layer 3 protocol such as IP version 4 must:
Provide an addressing scheme to identify networks and individual hosts.
Encapsulate a segment from layer 4 into a 17-Jul-12 CCNA Exploration Semester 1 5 packet and include addresses.
Direct the packet across one or many networks to the destination host.
Decapsulate (remove the packet header) and give the segment to layer 4.