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 company wants to protect its internal users from malicious files attached to emails. Which FortiGate feature should be configured to inspect SMTP traffic for malware?
Antivirus
Antivirus profiles can scan SMTP, POP3, and IMAP traffic for malware.
Email Filter
Why wrong: Email filter is for spam and phishing, not antivirus scanning.
Web Filter
Why wrong: Web filter is for HTTP/HTTPS traffic, not email protocols.
IPS
Why wrong: IPS is for network-based attacks, not file scanning.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Antivirus
FortiGate's Antivirus feature is designed to scan SMTP traffic for malware by inspecting email attachments and body content against virus signatures. When configured in a security policy, it intercepts SMTP sessions, buffers the email data, and performs real-time scanning to block or quarantine malicious files before delivery to internal users.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Antivirus
Why this is correct
Antivirus profiles can scan SMTP, POP3, and IMAP traffic for malware.
Related concept
Read the scenario before looking for a memorised answer.
Email Filter
Why it's wrong here
Email filter is for spam and phishing, not antivirus scanning.
Web Filter
Why it's wrong here
Web filter is for HTTP/HTTPS traffic, not email protocols.
IPS
Why it's wrong here
IPS is for network-based attacks, not file scanning.
Common exam traps
The trap here is that candidates confuse 'Email Filter' (which handles spam and content filtering) with antivirus scanning, assuming email security is solely about filtering, when in fact malware detection requires the dedicated Antivirus feature to inspect SMTP payloads at the file level.
Detailed technical explanation
FortiGate's antivirus engine uses a combination of signature-based detection (leveraging FortiGuard updates), heuristic analysis, and sandboxing (via FortiSandbox integration) to identify malware in SMTP MIME attachments. Under the hood, the FortiGate buffers the entire email message (including attachments) in memory, decodes base64 or quoted-printable encodings, and scans the raw file streams against pattern databases. In real-world scenarios, a company might also enable 'virus outbreak prevention' to block zero-day threats by analyzing attachment behavior in a sandbox before delivery.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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
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FAQ
Advanced Threat Protection — This question tests Advanced Threat Protection — Read the scenario before looking for a memorised answer..
The correct answer is: Antivirus — FortiGate's Antivirus feature is designed to scan SMTP traffic for malware by inspecting email attachments and body content against virus signatures. When configured in a security policy, it intercepts SMTP sessions, buffers the email data, and performs real-time scanning to block or quarantine malicious files before delivery to internal users.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This NSE7 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 NSE7 exam.
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