The correct answer is to run a trusted version of win32dd.exe from a write-protected USB drive and capture memory directly to that USB. This technique is essential for live memory acquisition on Windows with minimal footprint because it prevents the tool binary from being tampered with by a potentially compromised operating system and avoids writing any forensic artifacts to the server’s local disk, thereby preserving the integrity of the volatile evidence. On the Computer Hacking Forensic Investigator CHFI exam, this scenario tests your understanding of forensic soundness during live acquisition—specifically, the principle that the acquisition tool must not alter the target system’s storage. A common trap is choosing a tool that writes a pagefile or temporary files to the local drive, which would contaminate the evidence. Remember the mnemonic: “USB for Unmodified, Safe, and Bare” to recall that the tool and output must both reside on external write-protected media.
CHFI Evidence Acquisition and Duplication Practice Question
This CHFI practice question tests your understanding of evidence acquisition and duplication. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During a forensic investigation, an analyst needs to acquire the contents of a live server's RAM without altering the evidence. Which tool and technique should the analyst use to minimize the footprint on the system?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Run a trusted version of win32dd.exe from a write-protected USB drive and capture memory to the USB
Option B is correct because running a trusted version of win32dd.exe (now commonly part of the Belkasoft or DumpIt suite) from a write-protected USB drive ensures the tool binary is not modified by the compromised system and does not write any artifacts to the server's disk. Capturing memory directly to the USB drive minimizes the forensic footprint by avoiding writes to the server's local storage, preserving the integrity of the evidence.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Install FTK Imager on the server and capture memory to a network share
Why it's wrong here
Installing FTK Imager writes to the disk, altering the evidence.
✓
Run a trusted version of win32dd.exe from a write-protected USB drive and capture memory to the USB
Why this is correct
Running from a write-protected USB minimizes changes; capturing to USB avoids writing to the system drive.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a remote acquisition tool over SSH to capture memory to a remote server
Why it's wrong here
Remote tools may cause network traffic and memory changes.
✗
Use the built-in task manager to create a memory dump and save it locally
Why it's wrong here
Using task manager writes the dump to disk, potentially overwriting evidence.
Common exam traps
Common exam trap: answer the scenario, not the keyword
EC-Council often tests the misconception that installing forensic tools on a live system is acceptable, but the trap here is that any installation or local write (even to a network share) alters the evidence, whereas a write-protected USB with a trusted binary avoids contamination.
Detailed technical explanation
How to think about this question
Win32dd.exe (or its successor DumpIt) uses the Windows API functions like `NtSystemInformation` and `MmMapIoSpace` to read physical memory directly, bypassing the file system cache to avoid altering the system state. The write-protected USB drive is mounted as a removable device, and the tool writes the raw memory dump in a proprietary format (e.g., .mem or .raw) that can be later analyzed with Volatility or Rekall. In real-world incident response, this technique is critical when dealing with rootkits that hook system calls, as the trusted binary from a USB ensures the acquisition code is not intercepted.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CHFI exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CHFI question in full detail.
Evidence Acquisition and Duplication — This question tests Evidence Acquisition and Duplication — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Run a trusted version of win32dd.exe from a write-protected USB drive and capture memory to the USB — Option B is correct because running a trusted version of win32dd.exe (now commonly part of the Belkasoft or DumpIt suite) from a write-protected USB drive ensures the tool binary is not modified by the compromised system and does not write any artifacts to the server's disk. Capturing memory directly to the USB drive minimizes the forensic footprint by avoiding writes to the server's local storage, preserving the integrity of the evidence.
What should I do if I get this CHFI question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. During a forensic investigation, you are asked to acquire the contents of RAM from a live Windows 10 system without causing system instability. Which tool would be most appropriate for this task?
medium
A.LiME
B.DumpIt
C.FTK Imager
✓ D.Belkasoft RAM Capturer
Why D: Belkasoft RAM Capturer is the most appropriate tool for acquiring RAM from a live Windows 10 system because it is designed specifically for live memory acquisition on Windows, uses a lightweight kernel-mode driver to read physical memory without causing system instability, and supports acquisition from 64-bit systems. Unlike other tools, it minimizes interaction with the target process list and avoids loading unnecessary user-mode components that could trigger crashes or alter the memory state.
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This CHFI practice question is part of Courseiva's free EC-Council 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 CHFI exam.
Question Discussion
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