The first part of a data packet that comprises the source and destination addresses of a network is called a: header.
In Computer networking, the transmission control protocol/Internet protocol (TCP/IP) model refers to a standard networking protocol that allows network devices and host computers to interconnect and communicate with one another over a network, especially through the transmission of data packets and an Internet protocol (IP) address.
Generally, an IP address is typically designed and developed to hold information about data packets. Thus, a header is the information at the beginning of a data packet that comprises the source and destination addresses of a network.
In conclusion, a header is the first part of a data packet that comprises the source and destination addresses of a network.
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