Question:
Which protocol provides feedback from the destination host to the source host about errors in packet delivery?
- ARP
- BOOTP
- DNS
- ICMP
Explanation: The ICMP protocol operates at Layer 3 of the OSI model, which is the Internet layer of the TCP/IP model. ICMP encapsulates the ping and traceroute commands.
Exam with this question: 13.3.4 Module Quiz – ICMP Answers
Exam with this question: Networking Devices and Initial Configuration Module 12.3.4 ICMP Quiz
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