Quick Answer
The answer is a DLP profile. This is the correct security profile because Data Leak Prevention (DLP) profiles on FortiGate are specifically designed to inspect email content for sensitive data patterns, such as credit card numbers, using predefined or custom data classifiers. When a match is found, the profile can take action to block or quarantine the outbound email, directly preventing data leakage. On the Fortinet NSE 4 Network Security Professional exam, this question tests your understanding of which security feature handles content inspection for regulated data, often appearing alongside traps like antivirus or web filtering profiles, which do not scan for pattern-based sensitive information. A key memory tip is to associate DLP with "Data" and "Patterns"—if you need to block specific numbers or strings in the body of an email, think DLP, not AV or IPS.
This NSE4 practice question tests your understanding of security profiles. 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 wants to prevent data leakage by blocking outbound emails that contain credit card numbers. Which security profile should be configured?
Email Filter profile
Why wrong: Email filter handles spam and email-borne threats, not content inspection for PII.
Web Filter profile
Why wrong: Web filter handles URL categories, not email content.
Antivirus profile
Why wrong: Antivirus scans for malware, not for credit card numbers.
DLP profile
DLP profiles can use predefined or custom data patterns to detect sensitive information.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
DLP profile
Option C is correct. DLP (Data Leak Prevention) profiles can inspect content for sensitive data patterns like credit card numbers and block or quarantine the traffic.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Email Filter profile
Why it's wrong here
Email filter handles spam and email-borne threats, not content inspection for PII.
Web Filter profile
Why it's wrong here
Web filter handles URL categories, not email content.
Antivirus profile
Why it's wrong here
Antivirus scans for malware, not for credit card numbers.
DLP profile
Why this is correct
DLP profiles can use predefined or custom data patterns to detect sensitive information.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related NSE4 NAT questions on configuration and troubleshooting.
Security Profiles — study guide chapter
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FAQ
Security Profiles — This question tests Security Profiles — Static NAT maps one inside address to one outside address..
The correct answer is: DLP profile — Option C is correct. DLP (Data Leak Prevention) profiles can inspect content for sensitive data patterns like credit card numbers and block or quarantine the traffic.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related NSE4 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A FortiGate administrator needs to prevent data leakage by blocking the upload of files containing credit card numbers via web traffic. Which THREE components must be configured? (Choose three.)
mediumLast reviewed: Jun 21, 2026
This NSE4 practice question is part of Courseiva's free Fortinet certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the NSE4 exam.
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