During a live data acquisition procedure, forensic investigators are tasked with analyzing a suspected breach...

This question directly maps to CHFI v11 objectives underData Acquisition and Duplication, specifically live data acquisition and theorder of volatility. Live forensics is critical when systems cannot be powered down without losing crucial evidence, particularly during active or recent network intrusions. CHFI v11 emphasizes that investigators must prioritize volatile data that can quickly disappear when a system is shut down or network conditions change.

Open network connections, active sessions, routing tables, ARP cache, and listening ports provide immediate insight into how an attacker accessed the system, whether lateral movement occurred, and which external or internal IP addresses were involved. Capturing this data helps investigators trace the intrusion’s origin, identify command-and-control communications, and uncover misconfigurations or exposed services that enabled the breach.

Printer configurations and mouse activity have little forensic value in network intrusion analysis, while system uptime and loaded DLLs are useful but secondary compared to real-time network artifacts. CHFI v11 clearly prioritizes network-related volatile data during live acquisition to support intrusion analysis, vulnerability identification, and incident reconstruction. Therefore, capturing open connections and routing information is the most critical and correct choice in this scenario.