Quick Answer
The answer is network traffic captures, such as PCAP files, which must be preserved in their original form. This is because PCAPs are bit-for-bit recordings of network packets that maintain critical metadata like exact timing, headers, and payloads without any transformation; converting them to formats like CSV strips this metadata and alters the evidence, breaking the chain of custody. On the Systems Security Certified Practitioner SSCP exam, this concept tests your understanding of forensic soundness and the importance of preserving evidence integrity during incident response. A common trap is assuming exported logs or summaries are acceptable substitutes, but the exam emphasizes that only raw, unaltered captures qualify as original evidence. Remember the memory tip: “PCAPs preserve packets perfectly—never export or convert.”
This SSCP practice question tests your understanding of incident response and recovery. 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 forensic analysis, which THREE pieces of evidence should be preserved in original form?
Network traffic capture
PCAP files preserve network evidence.
Screenshots of malware dialogs
Why wrong: Screenshots are not original binary evidence and can be tampered.
System event logs exported to CSV
Why wrong: Exporting to CSV converts the original binary format, altering the evidence.
RAM dump
Memory dump captures volatile evidence.
Hard drive image
A forensic image preserves the exact state of the drive.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Network traffic capture
Network traffic captures (e.g., PCAP files) are raw, bit-for-bit recordings of network packets. They preserve the original timing, headers, and payloads without any transformation, which is critical for accurate forensic reconstruction and chain of custody. Any conversion or export (like CSV) would strip metadata and alter the original evidence.
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 traffic capture
Why this is correct
PCAP files preserve network evidence.
Related concept
Read the scenario before looking for a memorised answer.
Screenshots of malware dialogs
Why it's wrong here
Screenshots are not original binary evidence and can be tampered.
System event logs exported to CSV
Why it's wrong here
Exporting to CSV converts the original binary format, altering the evidence.
RAM dump
Why this is correct
Memory dump captures volatile evidence.
Related concept
Read the scenario before looking for a memorised answer.
Hard drive image
Why this is correct
A forensic image preserves the exact state of the drive.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
ISC2 often tests the distinction between original/volatile evidence and derivative/converted evidence, trapping candidates who think exported logs or screenshots are acceptable substitutes for the raw, unaltered source.
Detailed technical explanation
Forensic preservation requires bit-for-bit copies of volatile and non-volatile data. For network traffic, tools like tcpdump or Wireshark capture raw packets at Layer 2/3, preserving Ethernet frames, IP headers, and payloads with microsecond precision. A RAM dump (using tools like LiME or WinPmem) captures the exact memory state, including running processes, kernel objects, and encryption keys, which cannot be recovered from a disk image. Hard drive imaging (e.g., with dd or FTK Imager) creates a sector-level clone, preserving deleted files and unallocated space that file-system-level copies miss.
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 Recovery — This question tests Incident Response and Recovery — Read the scenario before looking for a memorised answer..
The correct answer is: Network traffic capture — Network traffic captures (e.g., PCAP files) are raw, bit-for-bit recordings of network packets. They preserve the original timing, headers, and payloads without any transformation, which is critical for accurate forensic reconstruction and chain of custody. Any conversion or export (like CSV) would strip metadata and alter the original evidence.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. During incident analysis, a forensic examiner finds that the system logs were cleared using a command that writes null bytes. Which artifact is most likely preserved?
hardWhy D: Volume shadow copies (VSS) are snapshots of the file system at a point in time, stored separately from the active logs. Even if an attacker clears logs by writing null bytes (e.g., using `fsutil` or `wevtutil cl`), VSS may retain a previous version of the logs, making them a critical artifact for forensic recovery.
Last reviewed: Jun 30, 2026
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