CAS-004 Security Operations Practice Question
A security analyst is reviewing a suspicious process that has been identified on an endpoint. The analyst wants to determine if the process has any network connections and what data it might be sending. Which tool is most appropriate for analyzing the memory of the affected system to identify network connections and potential data exfiltration?
⚠ Common exam trap
CAS-005 often tests the confusion between network forensics tools (Wireshark, Nmap) and memory forensics tools (Volatility), causing candidates to select a network analysis tool when the question explicitly asks for memory analysis.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Volatility
Volatility is a memory forensics framework that analyzes RAM dumps to extract running processes, network connections, and injected code. It is the most appropriate tool for examining memory to identify network connections and potential data exfiltration from a suspicious process.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Wireshark
Why it's wrong here
Wireshark captures packets traversing a network interface, so it cannot inspect a process's in-memory socket structures or unencrypted buffers on the endpoint itself. It is tempting because it does reveal network connections and payload contents, which would be correct when capturing traffic passively at a span or tap.
- ✓
Volatility
Why this is correct
Volatility performs memory forensics, parsing a captured RAM image to enumerate running processes, their network sockets and injected artefacts. That directly satisfies the requirement to analyse memory for network connections and potential exfiltration, which disk-based or live-response tools cannot reconstruct from volatile state.
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Autopsy
Why it's wrong here
Autopsy parses disk images and file system artefacts, not volatile memory, so it cannot enumerate a running process's network connections. It is tempting because it is a forensic suite that recovers evidence and deleted data, which would be correct when analysing a captured disk image rather than live endpoint memory.
- ✗
Nmap
Why it's wrong here
Nmap scans hosts and ports across a network from outside the target, so it cannot read a live process's memory or its socket table. It is tempting because Nmap does enumerate open ports and services, which would suit mapping an external host's exposure rather than inspecting endpoint memory for exfiltration.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
This CAS-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CAS-005 exam.