Traceroute: Use the file icmp-ethereal-trace-2.pcap to answer the questions

Examine the ICMP echo packet, is this different from the ICMP ping query packets in the icmp-ethereal-trace-1.pcap?
[ Select ]
No
Yes

The ICMP echo packet has the same fields as the ping query packets.
[ Select ]
True
False

Question

Traceroute:  Use the file icmp-ethereal-trace-2.pcap to answer the questions

Examine the ICMP echo packet, is this different from the ICMP ping query packets in the  icmp-ethereal-trace-1.pcap? 
[ Select ]
No
Yes

The ICMP echo packet has the same fields as the ping query packets. 
[ Select ]
True
False

BlackTom AI · Accepted Answer

This question presents two separate dropout-style prompts about ICMP packets in traces. 
First prompt: 'Examine the ICMP echo packet, is this different from the ICMP ping query packets in the icmp-ethereal-trace-1.pcap? [ Select ] No Yes'
- Option 'No' (the chosen answer): The claim is that the ICMP echo packet shown is not different from the ICMP ping query packets in the prior trace. In many traces, the ICMP Echo Request (type 8) used by ping is the same basic packet type as what is labeled ICMP echo in capture terms, with fields such as type, code, identifier, sequence number, and payload. If the echo packet in trace-2 corresponds to an Echo Request that follows the same structural format as Echo Requests in trace-1, then there is no fundamental difference in the fields or overall framing of the packet. This would support the answer 'No'.
- Potential misconception to avoid: If one assumes 'echo' and 'ping query' refer to completely different mechanisms or formats, that would be incorrect. In standard ICMP usage for ping, the echo request is the same kind of ICMP message as an 'echo' packet; the difference often lies in timing, identifiers, or payload, not in the fundamental structure.
Second prompt: 'The ICMP echo packet has the same fields as the ping query packets. [ Select ] True False'
- Option 'True' (the chosen answer): This reflects that the ICMP Echo Request/Reply messages share the same field set as the ICMP echo or ping query messages discussed in the traces. Core ICMP header fields such as Type, Code, Checksum, Identifier, and Sequence Number are consistent across these packets, with variations only in the actual values and payload. The statement is characteristically correct because the data model of an ICMP echo message does not introduce additional or missing header fields relative to a standard ping query.
- Potential misconception to avoid: If someone expects that traces differentiate 'echo' from 'ping query' by including extra or missing header elements, that would be inaccurate for typical ICMP implementations. The fields themselves remain the same, even if the content differs.
Overall, the reasoning supports the selections: the first item aligns with 'No', indicating no difference in the basic structure between the ICMP echo packet and the ping query packets in the referenced trace, and the second item aligns with 'True', indicating identical field names and structure for ICMP echo and ping query messages.

INEF001 ICMP Wireshark Diagnostic Quiz | LA003

Traceroute: Use the file icmp-ethereal-trace-2.pcap to answer the questions Examine the ICMP echo packet, is this different from the ICMP ping query packets in the icmp-ethereal-trace-1.pcap? [ Select ] No Yes The ICMP echo packet has the same fields as the ping query packets. [ Select ] True False

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