address resolution protocol and reverse address resolution protocol
WWW service is work onApplication layer & Ethernet is datalink layer protocol.
error control and recovery flow control ppp(point to point protocol transfering from physical layer to network entities
datalink layer
Network Control Protocol is uses to identify the Network layer protocol used in the packet
Ping uses ICMP, and therefore resides at layer 3 (Network layer)
datalink layar
Layer 4 (Transport)
MAC
It uses ICMP protocol - Internet Control Message Protocol
datalink
RIP uses UDP protocol with port number 520
The difference between datalink layer flow control and transport layer flow control is the need to keep the different layers of data separate in the flow control option.