CS0-003 Incident Response and Management Practice Question
During a forensic investigation, an analyst needs to acquire memory from a Linux server. Which tool is specifically designed for this purpose?
⚠ Common exam trap
CS0-004 often tests the confusion between general-purpose tools (dd) and purpose-built forensic memory acquisition tools (LiME for Linux, WinPmem for Windows), catching candidates who pick dd for Linux memory capture.
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
✓
LiME
LiME (Linux Memory Extractor) is a loadable kernel module specifically designed to acquire volatile memory from Linux systems in a forensically sound manner. It captures RAM contents and outputs them in formats like raw or lime, which can then be analyzed with tools such as Volatility. This makes it the correct answer for Linux memory acquisition.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dd
Why it's wrong here
While dd (dataset definition) is a standard command-line utility used for bit-by-bit disk imaging and copying files, it is not suitable for reliable live memory acquisition on modern Linux kernels. Attempting to use dd on /dev/fmem or /dev/mem often results in incomplete captures or system crashes due to kernel restrictions and memory space layout randomization.
- ✓
LiME
Why this is correct
LiME (Linux Memory Extractor) is a kernel-space tool designed specifically for acquiring volatile memory from Linux-based systems. It operates as a Loadable Kernel Module (LKM), allowing it to bypass user-space limitations and capture a full, uncorrupted dump of physical RAM, including volatile artifacts, while minimizing its footprint on the host system.
- ✗
FTK Imager
Why it's wrong here
FTK Imager is a widely used GUI and command-line forensic tool primarily designed for creating disk images and capturing RAM on Windows operating systems. It does not support native volatile memory acquisition on Linux systems, making it inappropriate for this specific platform-dependent task.
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WinPmem
Why it's wrong here
WinPmem is an open-source memory acquisition tool specifically engineered to capture physical memory from Windows environments. Because it relies on Windows-specific drivers and API calls to access physical memory address space, it cannot be executed or used to dump RAM on a Linux target machine.
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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 CS0-004 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 CS0-004 exam.