CS0-003 Incident Response and Management Practice Question
This CS0-003 practice question tests your understanding of incident response and management. 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 laptop may contain evidence for a legal investigation. What should the responder document during acquisition? During post-incident improvement, which decision is most defensible?
Why wrong: Device description alone is inadequate.
B
Only the ticket priority
Why wrong: Ticket priority is not chain-of-custody documentation.
C
Only the user's job title
Why wrong: A job title does not preserve evidence integrity.
D
Who collected it, when, where, hash values, transfer details, and storage location
Chain of custody records evidence handling and integrity from collection onward. In post-incident improvement, responders need action that reduces risk while preserving the investigation record.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Who collected it, when, where, hash values, transfer details, and storage location
Option D is correct because proper chain of custody documentation is critical for evidence admissibility in legal proceedings. The responder must record who collected the evidence, the exact date and time, the physical location, cryptographic hash values (e.g., SHA-256) to verify integrity, transfer details (e.g., chain-of-custody forms), and the secure storage location. This ensures the evidence is not tampered with and can be defended in court.
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.
✗
Only the laptop colour
Why it's wrong here
Device description alone is inadequate.
✗
Only the ticket priority
Why it's wrong here
Ticket priority is not chain-of-custody documentation.
✗
Only the user's job title
Why it's wrong here
A job title does not preserve evidence integrity.
✓
Who collected it, when, where, hash values, transfer details, and storage location
Why this is correct
Chain of custody records evidence handling and integrity from collection onward. In post-incident improvement, responders need action that reduces risk while preserving the investigation record.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that only superficial details (like colour or job title) are sufficient for documentation, when in fact the full chain of custody—including collector identity, timestamps, hashes, and storage—is mandatory for evidence admissibility.
Detailed technical explanation
How to think about this question
Forensic acquisition requires write-blocking hardware (e.g., Tableau T35u) to prevent modification of the source drive, followed by hashing with SHA-256 or MD5 to create a digital fingerprint. The hash is recalculated after transfer to verify bit-for-bit integrity; any mismatch indicates tampering. Chain-of-custody logs must include timestamps, signatures, and secure transfer methods (e.g., encrypted storage or locked evidence lockers) to satisfy legal standards like Daubert or Federal Rules of Evidence.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CS0-003 question in full detail.
Incident Response and Management — This question tests Incident Response and Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Who collected it, when, where, hash values, transfer details, and storage location — Option D is correct because proper chain of custody documentation is critical for evidence admissibility in legal proceedings. The responder must record who collected the evidence, the exact date and time, the physical location, cryptographic hash values (e.g., SHA-256) to verify integrity, transfer details (e.g., chain-of-custody forms), and the secure storage location. This ensures the evidence is not tampered with and can be defended in court.
What should I do if I get this CS0-003 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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