Which type of packets does the Internet Layer work with?

The Internet Layer is primarily concerned with the transmission of data across interconnected networks and is responsible for routing and addressing. It specifically works with IP packets, which contain packets of data being transmitted from a source to a destination over an IP network.

IP packets encapsulate data from upper layers (like the Transport Layer) and include necessary information such as source and destination IP addresses. This allows routers to determine the best path for forwarding packets towards their intended destinations.

The other types of packets mentioned, while relevant to their respective layers, do not fit within the functionality of the Internet Layer. Ethernet frames operate at the Data Link Layer and are concerned with physical network transmission, while application messages pertain to the Application Layer and focus on data generated by applications. Data packets is a broader term but does not specifically identify the type of packet the Internet Layer directly manages.