In an IPv4 packet, the ________ field describes the contents of the packet's data field.
A) TTL
B) header checksum
C) protocol
D) next-higher-layer

Question

Quizplus · Accepted Answer

The protocol field in an IPv4 packet header is a 1-byte field that specifies the type of data that is in the packet's data field. The field contains information that describes the next-highest-level protocol in use, such as TCP, UDP, or ICMP. This field is used by the receiving host to know which protocol should receive the packet's data.

In an IPv4 Packet, the ________ Field Describes the Contents