The correct configuration for the ZTNA rule's Application Access entry is External port: 443, Mapped port: 8080, Destination: 10.0.1.100. This is correct because in a ZTNA access proxy deployment, the FortiGate acts as a reverse proxy, where the external port (typically 443 for HTTPS) is what the client connects to, and the mapped port specifies the internal server's actual listening port—in this case, 8080 on the destination server at 10.0.1.100. On the Fortinet NSE 7 Advanced Security NSE7 exam, this concept tests your understanding of how the access proxy virtual IP translates external traffic to internal resources, a common pitfall being the confusion between the external and mapped port assignments. Remember that the client always reaches the proxy on the external port, while the mapped port reflects the backend service. A helpful memory tip: "External is for the client, Mapped is for the server."
NSE7 Advanced VPN and Zero Trust Practice Question
This NSE7 practice question tests your understanding of advanced vpn and zero trust. 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 configuring ZTNA to provide secure access to an internal application. The application is hosted on a server with IP 10.0.1.100 and port 8080. The administrator creates a ZTNA rule on the FortiGate as an access proxy. What is the correct configuration for the ZTNA rule's 'Application Access' entry?
For ZTNA access proxy, the destination virtual IP maps the external address and port to the internal server. Option A is correct: the external port is the port that the client connects to (e.g., 443) and the mapped port is the internal server port (8080).
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
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
The client connects to the FortiGate on port 443, and the FortiGate forwards to the internal server on port 8080.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
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.
Trap categories for this question
Scenario analysis trap
This would assume the server listens on 443, but the scenario says 8080.
Detailed technical explanation
How to think about this question
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.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
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
How this comes up in practice
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
Got this wrong? Here's your next step.
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 NSE7 NAT questions on configuration and troubleshooting.
Advanced VPN and Zero Trust — This question tests Advanced VPN and Zero Trust — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: External port: 443, Mapped port: 8080, Destination: 10.0.1.100 — For ZTNA access proxy, the destination virtual IP maps the external address and port to the internal server. Option A is correct: the external port is the port that the client connects to (e.g., 443) and the mapped port is the internal server port (8080).
What should I do if I get this NSE7 question wrong?
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 NSE7 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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