This CS0-003 practice question tests your understanding of incident response and management. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 forensic acquisition, which of the following types of data is considered the MOST volatile?
Network connections.
Why wrong: Network connections are less volatile than memory; they can be lost quickly but RAM is more volatile.
Disk.
Why wrong: Disk is non-volatile; data persists after power-off.
Page file.
Why wrong: Page file is stored on disk, which is non-volatile.
RAM.
RAM is volatile and changes constantly; it is the most volatile.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
RAM.
RAM (Random Access Memory) is the most volatile data because it loses its contents immediately when power is removed. In forensic acquisition, the order of volatility dictates that RAM must be captured first, as it contains running processes, open network connections, and decrypted data that cannot be recovered from disk. Network connections, while volatile, are a subset of the data stored in RAM and are less critical to capture first.
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.
Network connections.
Why it's wrong here
Network connections are less volatile than memory; they can be lost quickly but RAM is more volatile.
Disk.
Why it's wrong here
Disk is non-volatile; data persists after power-off.
Page file.
Why it's wrong here
Page file is stored on disk, which is non-volatile.
RAM.
Why this is correct
RAM is volatile and changes constantly; it is the most volatile.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
CompTIA often tests the order of volatility by making candidates confuse 'network connections' as the most volatile because they change rapidly, but the key is that network connection data is stored in RAM, making RAM itself the most volatile component that must be acquired first.
Detailed technical explanation
The order of volatility (RFC 3227) prioritizes capturing CPU registers and cache first, then RAM, then network state, then disk. In practice, tools like LiME or WinPmem are used to dump RAM before any system shutdown, as even a graceful shutdown can alter or destroy evidence in memory. A real-world scenario is capturing a live system's RAM to retrieve encryption keys or malware artifacts that exist only in memory and would be lost on reboot.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.
What to study next
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FAQ
Incident Response and Management — This question tests Incident Response and Management — Read the scenario before looking for a memorised answer..
The correct answer is: RAM. — RAM (Random Access Memory) is the most volatile data because it loses its contents immediately when power is removed. In forensic acquisition, the order of volatility dictates that RAM must be captured first, as it contains running processes, open network connections, and decrypted data that cannot be recovered from disk. Network connections, while volatile, are a subset of the data stored in RAM and are less critical to capture first.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
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