Cisco 200-125 Exam

Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?

  • A. data link layer
  • B. application layer
  • C. access layer
  • D. session layer
  • E. network layer
Answer: Option E.
Explanation: 

The command ping uses ICMP protocol, which is a network layer protocol used to propagate control message between host and router. The command ping is often used to verify the network connectivity, so it works at the network layer.

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