This CHFI practice question tests your understanding of mobile and malware forensics. 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.
Which TWO of the following are valid acquisition types in mobile forensics, ranked from most to least data recovered?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Manual
Why wrong: Manual acquisition is least comprehensive; not ranked above logical.
Physical
Bit-for-bit image of storage, recovers deleted data.
Cloud
Why wrong: Cloud acquisition is not a standard mobile acquisition type in this context.
Logical
Retrieves active files and data via API.
File system
Why wrong: File system acquisition retrieves more than logical but less than physical; the question asks for two from the ranking.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Physical
Physical acquisition (option B) captures the entire flash memory bit-for-bit, including deleted files and unallocated space, providing the most complete data recovery. Logical acquisition (option D) extracts only active files and system data via the operating system's API, yielding less data than physical but more than manual or cloud methods. Together, they represent the two valid acquisition types ranked from most to least data recovered in mobile forensics.
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.
Manual
Why it's wrong here
Manual acquisition is least comprehensive; not ranked above logical.
Physical
Why this is correct
Bit-for-bit image of storage, recovers deleted data.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Cloud
Why it's wrong here
Cloud acquisition is not a standard mobile acquisition type in this context.
Logical
Why this is correct
Retrieves active files and data via API.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
File system
Why it's wrong here
File system acquisition retrieves more than logical but less than physical; the question asks for two from the ranking.
Common exam traps
EC-Council often tests the distinction between primary acquisition types (physical and logical) and secondary methods (manual, cloud, file system), expecting candidates to recognize that file system acquisition is a subset of logical, not a separate category, and that cloud acquisition is not device-centric.
Detailed technical explanation
Physical acquisition uses specialized tools (e.g., JTAG, chip-off, or bootloader exploits) to read raw NAND/NOR flash memory, bypassing the operating system's file system abstraction. This allows recovery of deleted data from unallocated blocks, which logical acquisition cannot access because it relies on the OS's file system driver (e.g., ext4, APFS) to enumerate only active files. In practice, physical acquisition is often impossible on locked devices with full-disk encryption (FDE), making logical acquisition the fallback, but when available, it recovers significantly more data.
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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Mobile and Malware Forensics — This question tests Mobile and Malware Forensics — Read the scenario before looking for a memorised answer..
The correct answer is: Physical — Physical acquisition (option B) captures the entire flash memory bit-for-bit, including deleted files and unallocated space, providing the most complete data recovery. Logical acquisition (option D) extracts only active files and system data via the operating system's API, yielding less data than physical but more than manual or cloud methods. Together, they represent the two valid acquisition types ranked from most to least data recovered in mobile forensics.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 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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