The answer is to tune the protocol anomaly thresholds to be more lenient for SIP traffic. This is correct because protocol anomaly detection in FortiGate’s IPS engine works by comparing traffic patterns against predefined baselines; when legitimate SIP traffic deviates slightly from these baselines—such as having unusual header lengths or call sequences—it can trigger a false positive. By adjusting the anomaly thresholds, the admin allows acceptable variations in SIP signaling to pass while still catching truly malicious anomalies. On the Fortinet NSE 7 Advanced Security NSE7 exam, this scenario tests your understanding of balancing security with usability in VoIP environments; a common trap is to disable protocol anomaly detection entirely, which would leave the network exposed to real SIP-based attacks. Remember the memory tip: “SIP needs a sip of leniency—tight thresholds choke the call.”
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.
A FortiGate is configured with an IPS sensor that has protocol anomaly detection enabled. The admin notices that legitimate VoIP traffic (SIP) is being blocked. Which action should the admin take to reduce false positives?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Tune the protocol anomaly thresholds to be more lenient for SIP
Option C is correct because protocol anomaly detection can have thresholds; adjusting them allows legitimate traffic to pass while still detecting anomalies.
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.
✗
Change the IPS action from block to monitor
Why it's wrong here
Monitor would not block but also wouldn't prevent attacks.
✗
Add the VoIP servers to an IP exemption list in the IPS sensor
Why it's wrong here
Exemptions may be too broad and miss attacks from those IPs.
✗
Disable protocol anomaly detection entirely
Why it's wrong here
Disabling entirely would remove protection against many attacks.
✓
Tune the protocol anomaly thresholds to be more lenient for SIP
Why this is correct
Tuning thresholds reduces false positives while maintaining security.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 NSE7 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: Tune the protocol anomaly thresholds to be more lenient for SIP — Option C is correct because protocol anomaly detection can have thresholds; adjusting them allows legitimate traffic to pass while still detecting anomalies.
What should I do if I get this NSE7 question wrong?
Identify which NSE7 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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