This 200-201 practice question tests your understanding of host-based analysis. 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 SOC analyst is investigating a suspicious file on a Windows host. The file hash matches a known malware variant in a threat intelligence feed. What is the next best step for host-based analysis?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Check for persistence mechanisms such as registry Run keys or scheduled tasks
Option C is correct because after confirming a file hash matches a known malware variant, the immediate priority for host-based analysis is to determine how the malware maintains persistence on the system. Persistence mechanisms such as Registry Run keys (e.g., HKCU\Software\Microsoft\Windows\CurrentVersion\Run) or scheduled tasks (via schtasks.exe) allow malware to survive reboots and re-establish execution. Identifying these artifacts is critical for containment and eradication, as it reveals the malware's foothold and prevents re-infection after removal.
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.
✗
Run a full antivirus scan on the host
Why it's wrong here
AV is reactive and may not catch all variants; dynamic analysis is better.
✗
Disable the network adapter to prevent further communication
Why it's wrong here
Isolating the host is important, but analysis of persistence is needed before remediation.
✓
Check for persistence mechanisms such as registry Run keys or scheduled tasks
Why this is correct
Malware often adds persistence. Examining startup locations helps determine scope and removal.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Reboot the host to clear the malware from memory
Why it's wrong here
Rebooting may destroy evidence and doesn't remove persistence.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between host-based analysis (focusing on local artifacts like persistence, processes, and registry) and network-based containment (like disabling adapters), so candidates mistakenly choose network isolation steps when the question explicitly asks for host-based analysis.
Detailed technical explanation
How to think about this question
Persistence mechanisms are often implemented via Registry Run keys (e.g., Run, RunOnce, RunServices), scheduled tasks (triggered at logon or system startup), or startup folder entries. Under the hood, Windows Task Scheduler uses XML-based task definitions stored in %SystemRoot%\System32\Tasks, which can be enumerated with schtasks /query /fo LIST /v. In real-world scenarios, advanced malware may also use WMI event subscriptions (e.g., __EventFilter and __FilterToConsumerBinding) for persistence, which are not visible via standard autorun tools and require deeper forensic analysis using tools like Autoruns or WMI Explorer.
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 practitioner preparing for the 200-201 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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Host-Based Analysis — This question tests Host-Based Analysis — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Check for persistence mechanisms such as registry Run keys or scheduled tasks — Option C is correct because after confirming a file hash matches a known malware variant, the immediate priority for host-based analysis is to determine how the malware maintains persistence on the system. Persistence mechanisms such as Registry Run keys (e.g., HKCU\Software\Microsoft\Windows\CurrentVersion\Run) or scheduled tasks (via schtasks.exe) allow malware to survive reboots and re-establish execution. Identifying these artifacts is critical for containment and eradication, as it reveals the malware's foothold and prevents re-infection after removal.
What should I do if I get this 200-201 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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