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.
A first responder arrives at a crime scene where a computer is running. According to standard forensic procedure, what should the responder do FIRST?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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
✓
Photograph the scene and secure the area
Option A is correct because the first priority at a live crime scene is to preserve the integrity of the scene and all potential evidence. Standard forensic procedure (e.g., from NIST SP 800-86 and ACPO guidelines) mandates that the first responder must photograph the scene to document the state of the computer (including screen contents, cables, and peripherals) and secure the area to prevent unauthorized access or tampering. Only after this documentation and scene stabilization can the responder proceed to handle the live system, such as capturing volatile data or creating a forensic image.
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.
✓
Photograph the scene and secure the area
Why this is correct
Securing and photographing the scene ensures preservation of the original state.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Connect a write blocker and create a forensic image immediately
Why it's wrong here
Imaging should occur after documentation and securing the scene.
✗
Immediately shut down the computer to prevent data alteration
Why it's wrong here
Shutting down may cause loss of volatile data and is not the first step.
✗
Pull the power cord to ensure the system does not shut down normally
Why it's wrong here
Pulling the plug may cause data corruption; proper shutdown or memory capture should be considered.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the urgency of preserving volatile data with the need to immediately perform a live acquisition or shut down the system, forgetting that scene documentation and security are the foundational first steps in any forensic investigation.
Detailed technical explanation
How to think about this question
Under the hood, volatile data resides in RAM and includes encryption keys, network connections, and running processes. The ACPO (Association of Chief Police Officers) guidelines emphasize that the first responder must not alter the state of the computer; photographing the screen captures critical evidence like open applications or chat windows that may disappear if the system is powered off. In a real-world scenario, failing to photograph the screen could lose evidence of a live remote connection or an active data exfiltration process, which is why documentation precedes any technical intervention.
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: Photograph the scene and secure the area — Option A is correct because the first priority at a live crime scene is to preserve the integrity of the scene and all potential evidence. Standard forensic procedure (e.g., from NIST SP 800-86 and ACPO guidelines) mandates that the first responder must photograph the scene to document the state of the computer (including screen contents, cables, and peripherals) and secure the area to prevent unauthorized access or tampering. Only after this documentation and scene stabilization can the responder proceed to handle the live system, such as capturing volatile data or creating a forensic image.
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: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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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