Exam 312-49v11 Topic 12 Question 159 Discussion

Actual exam question for EC-COUNCIL's 312-49v11 exam
Question #: 159
Topic #: 12

Following a post-breach investigation at a manufacturing company in Denver, Colorado, forensic analysts begin capturing and examining live network traffic between internal and external hosts. The objective is to analyze communication patterns, detect unauthorized activity, and determine the attacker ' s methods. What activity falls outside the primary objectives of network traffic investigation?

A. To trace information or packets related to a security intrusion and collect them as evidence B. To erase the traces of intrusion by clearing captured packets from network devices C. To detect and examine an ongoing attack by monitoring network traffic communication patterns D. To identify hosts or networks involved in a network security incident

Suggested Answer: B Vote an answer

The correct answer is B because network traffic investigation is intended to preserve, observe, and analyze evidence, not destroy it. CHFI v11 covers gathering evidence via sniffers, analyzing network protocols and packets, investigating ongoing attacks, and identifying hosts involved in incidents. Those objectives align with tracing intrusion-related packets, detecting unauthorized communication patterns, and identifying affected systems or networks. By contrast, clearing captured packets from devices would remove potential evidence and directly conflict with forensic preservation principles. In a forensic workflow, investigators need the traffic data intact so they can reconstruct attacker actions, confirm unauthorized communications, and correlate network events with endpoint or log artifacts. Erasing those traces would defeat the purpose of the investigation and undermine evidentiary integrity. For exam logic, whenever one option describes destroying or removing possible evidence instead of preserving and analyzing it, that option falls outside the legitimate goals of network forensics. Therefore, the activity that is not a primary objective of network traffic investigation is erasing traces of intrusion by clearing captured packets from network devices.

by Pag at Aug 23, 2026, 11:45 AM

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