Last Updated on January 13, 2019 by InfraExam
What IPv4 header field identifies the upper layer protocol carried in the packet?
- Protocol
- Identification
- Version
- Differentiated Services
Explanation:It is the Protocol field in the IP header that identifies the upper-layer protocol the packet is carrying. The Version field identifies the IP version. The Differential Services field is used for setting packet priority. The Identification field is used to reorder fragmented packets.