Quick Answer
The answer is MD5, as FTK Imager commonly uses the MD5 hashing algorithm to verify forensic image integrity during acquisition. This is correct because FTK Imager generates an MD5 hash value of the original drive before imaging and then computes the same hash on the acquired image file; if the two values match, the image is verified as bit-for-bit identical and forensically sound. On the Computer Hacking Forensic Investigator CHFI exam, this concept tests your understanding of hashing’s role in maintaining evidence integrity, often appearing in questions about write-blocker usage and acquisition tools. A common trap is assuming SHA-1 is the default—while FTK Imager also supports SHA-1, MD5 is the standard, faster option for integrity checks. Memory tip: think “MD5 = Most Default 5” for FTK Imager’s primary hash.
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 forensic analyst is preparing to acquire an image from a suspect's hard drive. The analyst connects the drive to a write blocker, then uses FTK Imager to create a forensic image. Which hashing algorithm is commonly used by FTK Imager to verify image integrity?
AES
Why wrong: AES is a symmetric encryption algorithm, not used for integrity hashing.
RSA
Why wrong: RSA is an asymmetric encryption algorithm, not a hash function.
Blowfish
Why wrong: Blowfish is a symmetric cipher, not a hash.
MD5
MD5 is a hash function commonly used by FTK Imager to verify that the image is identical to the source.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
MD5
FTK Imager commonly uses MD5 and SHA-1 to verify integrity; MD5 is a standard option.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AES
Why it's wrong here
AES is a symmetric encryption algorithm, not used for integrity hashing.
RSA
Why it's wrong here
RSA is an asymmetric encryption algorithm, not a hash function.
Blowfish
Why it's wrong here
Blowfish is a symmetric cipher, not a hash.
MD5
Why this is correct
MD5 is a hash function commonly used by FTK Imager to verify that the image is identical to the source.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
Identify which CHFI exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Computer Forensics Fundamentals and Process — This question tests Computer Forensics Fundamentals and Process — Read the scenario before looking for a memorised answer..
The correct answer is: MD5 — FTK Imager commonly uses MD5 and SHA-1 to verify integrity; MD5 is a standard option.
Identify which CHFI exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 21, 2026
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.
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