Refer to the exhibit. A network engineer is analyzing a network activity within captured traffic. An engineer notices suspicious behavior, a type of ICMP that Wireshark does not recognize. What is occurring?
A.
These are failed communication attempts because ICMP communication is administratively prohibited.
B.
These are responses from destination because the destination network is unreachable for this type of service.
C.
Wireshark cannot map the type of ICMP requests because they are not legitimate ICMP echo requests.
D.
Wireshark cannot map the type due to fragmentation, and fragment ID was not set on the destination host.
I believe it is C as well because the fact that Wireshark cannot recognize the ICMP type and displays "Length Info: 42 Unknown" suggests that the ICMP message could be a non-standard or obfuscated ICMP type.
I believe it is C. If you ping an unreachable destination, it says 'Destination unreachable' in the info field not 'Unknown'
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