The correct answer is to capture the contents of RAM using a forensic tool, then shut down. This is because volatile data, such as the contents of RAM, is lost the instant power is removed, making it the highest priority in the order of volatility. A first responder must follow RFC 3227, which dictates capturing registers, cache, and RAM before any persistent storage like hard drives. On the Computer Hacking Forensic Investigator CHFI exam, this principle tests your understanding of live acquisition procedures and the critical mistake of pulling the plug first—a common trap that destroys the most valuable evidence. Remember the mnemonic “RAM before the plug” to recall that memory capture must happen before shutdown.
CHFI Computer Forensics Fundamentals and Process Practice Question
This CHFI practice question tests your understanding of computer forensics fundamentals and process. 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, a first responder notices that a computer is running and suspects that volatile data may be present. According to best practices, what should the responder do to preserve the most volatile data first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Capture the contents of RAM using a forensic tool, then shut down
Option C is correct because volatile data, such as the contents of RAM, is lost when power is removed. The first responder must capture this data using a forensic tool (e.g., FTK Imager, WinPmem, or LiME) before performing a shutdown. This follows the Order of Volatility (RFC 3227), which prioritizes capturing registers, cache, and RAM before any persistent storage.
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.
✗
Perform a graceful shutdown to avoid data corruption
Why it's wrong here
Graceful shutdown alters data and may destroy evidence.
✗
Remove the hard drive immediately while the system is running
Why it's wrong here
Hot-swapping drives can cause data loss and is unsafe.
✓
Capture the contents of RAM using a forensic tool, then shut down
Why this is correct
This preserves the most volatile data first.
Clue confirmation
The clue words "best", "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Immediately unplug the power cord to freeze the system state
Why it's wrong here
Unplugging causes loss of volatile memory.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'preserving data integrity' with 'avoiding corruption' and choose a graceful shutdown (Option A), not realizing that the shutdown process itself destroys the most volatile evidence.
Detailed technical explanation
How to think about this question
Under the hood, RAM is a volatile storage medium that requires constant power to retain data. Forensic tools like WinPmem or LiME use direct memory access (DMA) or kernel drivers to read physical memory pages without altering the system state. A real-world scenario: in a live ransomware investigation, capturing RAM may reveal encryption keys, running processes, and network connections that are critical for attribution and decryption, all of which vanish on power loss.
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.
Computer Forensics Fundamentals and Process — This question tests Computer Forensics Fundamentals and Process — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Capture the contents of RAM using a forensic tool, then shut down — Option C is correct because volatile data, such as the contents of RAM, is lost when power is removed. The first responder must capture this data using a forensic tool (e.g., FTK Imager, WinPmem, or LiME) before performing a shutdown. This follows the Order of Volatility (RFC 3227), which prioritizes capturing registers, cache, and RAM before any persistent storage.
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: "best", "first". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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