A user issues a ping 192.168.219.8 command and receives a response that includes a code of 0. What does this code represent?
- protocol unreachable
- network unreachable
- host unreachable
- port unreachable
Explanation: When a host or gateway receives a packet that it cannot deliver, it can use an ICMP Destination Unreachable message to notify the source that the destination or service is unreachable. The message will include a code that indicates why the packet could not be delivered. These are some of the Destination Unreachable codes for ICMPv4:
- 0 : net unreachable
- 1 : host unreachable
- 2 : protocol unreachable
- 3 : port unreachable
Exam with this question: CyberOps Associate (Version 1.0) - Module 7: Connectivity Verification Quiz Answers
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