NSE7 Advanced VPN and Zero Trust Practice Question
During a ZTNA deployment, an administrator notices that traffic from a specific internal application is being routed through the ZTNA gateway but is not reaching the destination server. The FortiGate policy allows the traffic, and the client has a valid ZTNA connection. What is the most likely cause of the issue?
⚠ Common exam trap
Candidates often assume the issue is with the client's connectivity or the firewall policy, but the key is that a valid ZTNA connection and permissive policy do not guarantee correct proxy forwarding—the proxy rule itself must accurately point to the destination server.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The ZTNA proxy rule on the FortiGate is misconfigured, pointing to the wrong destination IP or port.
In a ZTNA deployment, the FortiGate acts as a reverse proxy for internal applications. If the ZTNA proxy rule is misconfigured with an incorrect destination IP or port, the FortiGate will forward the traffic to the wrong backend server or service, causing the connection to fail even though the client has a valid ZTNA connection and the firewall policy permits the traffic.
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 ZTNA proxy rule on the FortiGate is misconfigured, pointing to the wrong destination IP or port.
Why this is correct
The ZTNA proxy rule defines the destination IP and port used when forwarding the client's request to the internal application. If these are wrong, the FortiGate accepts the session but forwards it to an unreachable or incorrect server, so traffic never arrives.
- ✗
The client's FortiClient agent is not connected to the EMS server.
Why it's wrong here
A valid ZTNA connection already exists, so the FortiClient-to-EMS link is functioning; the failure lies in the gateway's forwarding or the server's reachability. EMS connectivity is tempting because agent registration is a prerequisite for ZTNA, and a disconnected agent would block the tunnel entirely — but here the tunnel is up.
- ✗
The destination server does not have internet connectivity.
Why it's wrong here
The destination server sits on the internal network behind the ZTNA gateway, so its internet connectivity is irrelevant to inbound client traffic. Internet reachability is tempting because ZTNA tunnels traverse the internet, but that requirement applies to the client and gateway, not the protected internal server.
- ✗
The FortiGate policy is set to deny traffic from the client's subnet.
Why it's wrong here
The stem states the FortiGate policy allows the traffic, so a deny rule on the client's subnet contradicts the given facts. Deny policies are tempting because a policy block is a common cause of silent drops, and it would be the answer if the policy were actually denying rather than permitting.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.