IP data packets are preceded with header information which is used for routing and error control. Place the following IPv4 and IPv6 header sections in their correct order. Click once on the text you would like to move, then click on an empty box you would like to move it to. You can only move text into empty boxes. Though some header information for IPv4 and IPv6 is the same, such as the protocol field or source address, you cannot place IPv4 items in IPv6 fields, and vice versa.
For the correct order see: IPv4 and IPv6 headers
For more information see: IP header information