The field in the IP header specifies the protocol used in the data portion of the packet.

IP packets may be fragmented if they are larger than the size that can be transmitted without fragmentation.

TCP and UDP are examples of layer protocols that use IP packets to transmit data.

Each IP packet includes a that contains important routing information.

The IP address in an IP packet tells where the packet should be sent.

of fragmented packets occurs at the destination device once all fragments are received.