Quick Answer
The answer is an IP Pool for the specific server’s public IP, a traffic shaper for HTTP, and firewall policies to apply them. This configuration is correct because FortiGate’s outbound NAT requires an IP Pool object to override the default egress interface IP for specific traffic, while traffic shaping demands a dedicated shaper object to enforce bandwidth limits on HTTP sessions. On the Fortinet NSE 4 exam, this scenario tests your understanding of how IP Pools, traffic shapers, and firewall policies interact to meet multi-requirement NAT and traffic shaping configurations—a common trap is assuming a single policy can handle both the dynamic NAT for all users and the static NAT for the server without a separate IP Pool. Remember the memory tip: “Pool for the special, shape for the protocol, policy to connect the dots.”
This NSE4 practice question tests your understanding of firewall policies and nat. 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 administrator is implementing a policy to allow outbound traffic from the internal network to the internet. The requirements are: (1) all traffic from internal users must be source NATed to the external interface IP, (2) traffic from a specific server must use a different public IP, (3) HTTP traffic must be shaped to 10 Mbps. Which THREE configuration elements should the administrator create? (Choose three.)
A traffic shaper for HTTP traffic
Traffic shaper limits bandwidth.
A VIP for the server
Why wrong: VIP is for destination NAT.
A firewall policy with NAT enabled and the IP pool referenced
Policy applies NAT and shaping.
An IP Pool for the specific server's public IP
IP Pool allows a different source IP.
A policy-based routing rule for the server
Why wrong: Not required for NAT or shaping.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A traffic shaper for HTTP traffic
An IP pool for the specific server, a traffic shaper for HTTP, and firewall policies to apply them. Option B, C, and D are correct.
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.
A traffic shaper for HTTP traffic
Why this is correct
Traffic shaper limits bandwidth.
Related concept
Static NAT maps one inside address to one outside address.
A VIP for the server
Why it's wrong here
VIP is for destination NAT.
A firewall policy with NAT enabled and the IP pool referenced
An IP Pool for the specific server's public IP
Why this is correct
IP Pool allows a different source IP.
Related concept
Static NAT maps one inside address to one outside address.
A policy-based routing rule for the server
Why it's wrong here
Not required for NAT or shaping.
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.
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FAQ
Firewall Policies and NAT — This question tests Firewall Policies and NAT — Static NAT maps one inside address to one outside address..
The correct answer is: A traffic shaper for HTTP traffic — An IP pool for the specific server, a traffic shaper for HTTP, and firewall policies to apply them. Option B, C, and D are correct.
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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Last 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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