The answer is that the quarantine action is configured based on a risk level threshold, not solely on the verdict, so clean files with a high risk score can still be quarantined. This happens because FortiSandbox separates the verdict—whether a file is malicious, clean, or unknown—from the risk score, which is a numerical value derived from behavioral analysis and heuristics. Even a file rated 'clean' can accumulate a risk score above the configured threshold, triggering quarantine as a precaution. On the Fortinet NSE 7 Advanced Security NSE7 exam, this tests your understanding that risk level configuration overrides verdict-based actions, a common trap where candidates assume 'clean' verdicts always bypass quarantine. Remember: verdict tells you *what* it is, but the risk threshold decides *what to do* with it—think of it as "score, not just label."
NSE7 Advanced Threat Protection Practice Question
This NSE7 practice question tests your understanding of advanced threat protection. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An administrator configures FortiSandbox to quarantine files that are rated 'malicious'. They notice that some files are being quarantined even though the verdict is 'clean'. What could explain this?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The quarantine action is set to apply to files with a risk level above a certain threshold, and clean files have been incorrectly rated
The correct answer is A because FortiSandbox's quarantine action can be configured based on a risk score threshold, not solely on the verdict. If the risk score for a file rated 'clean' exceeds the configured threshold, the file may still be quarantined. This occurs because the verdict and risk score are separate attributes; a 'clean' verdict indicates no known malware, but the file's behavior or heuristics may still generate a high risk score that triggers quarantine.
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.
✓
The quarantine action is set to apply to files with a risk level above a certain threshold, and clean files have been incorrectly rated
Why this is correct
Risk level thresholds can cause false positives if set too aggressively.
Related concept
Read the scenario before looking for a memorised answer.
✗
FortiSandbox uses a whitelist that includes those files
Why it's wrong here
Whitelisted files would not be quarantined.
✗
The files were submitted by a different FortiGate with different settings
Why it's wrong here
Submissions from different devices don't affect quarantine logic.
✗
The administrator has enabled 'aggressive mode' which quarantines all files
Why it's wrong here
There is no such mode in FortiSandbox.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume quarantine is strictly tied to the verdict, overlooking that FortiSandbox's quarantine action can be independently triggered by a risk score threshold, leading to quarantine of 'clean' files with high risk scores.
Detailed technical explanation
How to think about this question
FortiSandbox assigns both a verdict (e.g., clean, malicious) and a risk score (0-100) to each file. The quarantine action can be triggered by either the verdict or the risk score threshold, depending on the policy configuration. For example, a file with a risk score of 70 might be quarantined even if the verdict is 'clean' because the threshold is set to 60. This separation allows granular control, but can lead to unexpected quarantines if the threshold is too low.
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 NSE7 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.
Advanced Threat Protection — This question tests Advanced Threat Protection — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The quarantine action is set to apply to files with a risk level above a certain threshold, and clean files have been incorrectly rated — The correct answer is A because FortiSandbox's quarantine action can be configured based on a risk score threshold, not solely on the verdict. If the risk score for a file rated 'clean' exceeds the configured threshold, the file may still be quarantined. This occurs because the verdict and risk score are separate attributes; a 'clean' verdict indicates no known malware, but the file's behavior or heuristics may still generate a high risk score that triggers quarantine.
What should I do if I get this NSE7 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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