The answer is that the FortiGate lacks a valid FortiGuard Security Rating subscription. This is the most likely cause when a FortiSandbox no verdict returned scenario occurs, because while the FortiSandbox itself is reachable and licensed to analyze files, the FortiGate requires the Security Rating subscription to establish the dedicated communication channel needed to retrieve and process those verdicts. Without it, the FortiGate logs will show files as successfully submitted, but the returned analysis results are never ingested, so no action is taken. On the Fortinet NSE 7 Advanced Security NSE7 exam, this question tests your understanding of the distinct licensing layers required for full FortiSandbox integration—a common trap is assuming the basic FortiSandbox license alone is sufficient. Remember the memory tip: “Submit needs a license, but verdict needs a subscription”—the Security Rating subscription is the key that unlocks the verdict pipeline.
NSE7 Advanced Threat Protection Practice Question
This NSE7 practice question tests your understanding of advanced threat protection. 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.
A network admin configures FortiGate to submit files to FortiSandbox for analysis. After submission, the FortiGate logs show that files are being sent but no verdict is returned. The FortiSandbox is reachable and licensed. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The FortiGate does not have a FortiGuard Security Rating subscription
Option C is correct because FortiGate requires a valid FortiGuard Security Rating subscription to receive verdicts from FortiSandbox. Without this subscription, the FortiGate can submit files and see them as sent in logs, but it cannot process the returned verdicts, resulting in no action taken on the files. The Security Rating subscription enables the communication channel for verdict retrieval, distinct from the basic FortiSandbox license.
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 FortiGate is using proxy-based inspection instead of flow-based
Why it's wrong here
Inspection mode does not affect verdict retrieval.
✗
The FortiSandbox server's IP is not added to the FortiGate's trusted hosts
Why it's wrong here
Trusted hosts affect management access, not verdict communication.
✓
The FortiGate does not have a FortiGuard Security Rating subscription
Why this is correct
FortiSandbox verdicts are delivered via FortiGuard rating; without the subscription, verdicts are not returned.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The antivirus profile is set to block without scanning
Why it's wrong here
Block without scanning would prevent submission, not affect verdict retrieval.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume a licensed FortiSandbox alone is sufficient for verdict delivery, overlooking that FortiGate requires an additional FortiGuard Security Rating subscription to consume those verdicts.
Detailed technical explanation
How to think about this question
FortiGate uses a dedicated verdict polling mechanism over HTTPS to FortiSandbox, typically on port 443 or 514 (syslog for verdicts). The FortiGuard Security Rating subscription provides the necessary API credentials and service entitlement for the FortiGate to authenticate and poll for verdicts; without it, the FortiGate's submission request succeeds but the verdict response is silently dropped. In real-world deployments, this often manifests as files being submitted to FortiSandbox (visible in the sandbox GUI) but FortiGate logs showing 'no verdict' even after the analysis completes.
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 FortiGate does not have a FortiGuard Security Rating subscription — Option C is correct because FortiGate requires a valid FortiGuard Security Rating subscription to receive verdicts from FortiSandbox. Without this subscription, the FortiGate can submit files and see them as sent in logs, but it cannot process the returned verdicts, resulting in no action taken on the files. The Security Rating subscription enables the communication channel for verdict retrieval, distinct from the basic FortiSandbox license.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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