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A user issues a ping command and receives a response that includes a code of 1. What does this code represent?

  • host unreachable
  • beyond scope of the source address
  • address unreachable
  • communication with the destination administratively prohibited
Explanation & Hint:

A ping response with an ICMP code of 1 usually represents “host unreachable.” This code indicates that the destination host specified in the ping command is not reachable or is not available on the network. It means that the network is unable to forward the ICMP Echo Request to the specified host, indicating that the host might be down or there’s an issue with the routing to that host.


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CCNA 1 ITN v7 – Modules 11 – 13: IP Addressing Exam Answers Full 100%