Question Detail ICMP works on which layer Physical LayerDatalink LayerNetwork layerTransport Layer Answer: Option C Similar Questions : 1. Which protocol uses window flow system UDPTCPFTPNone of above Answer: Option B 2. Which IP is reserved for loopback testing 192.168.0.010.255.255.255255.0.0.0None of above Answer: Option DExplanation:127.0.0.1 is reserved for loopback testing 3. Which layer of TCP/IP stack is equivalent to transport layer of OSI Application layerHost to Host layerInternetNetwork access Answer: Option B 4. TCP/IP reference model contains how many layers 3467 Answer: Option BExplanation:TCP/IP reference model has four layer Application Layer Host to Host Internet Layer Network Access 5. Telnet allows user to connect client machinetransferring filessharing filesnone of above Answer: Option A Read more from - TCP-IP Questions Answers