Answer:
Internet Control Message Protocol(ICMP)
Explanation:
If you ping a device, you are using the INTERNET CONTROL MESSAGE PROTOCOL (ICMP).
Ping works by sending Internet Control Message Protocol (ICMP) in which it send data packet request to the target host and then wait for an ICMP echo reply making you to have connection and is also a tool use to test if a host is available or if a computer is connected to a server.
Ping command can be used to test the availability of a networking on a network and to check the network error.
