This NSE7 practice question tests your understanding of enterprise firewall and vdoms. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 multi-tenant FortiGate uses VDOMs. The administrator notices that logins via SSH to the management VDOM succeed, but attempts to SSH to a traffic VDOM's management IP fail. The traffic VDOM has an administrative user configured. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The traffic VDOM does not have a license
Why wrong: VDOMs do not require separate licenses.
The traffic VDOM is in transparent mode
Why wrong: Transparent mode still supports SSH management.
The admin user is not in the correct trust group
Why wrong: Not a FortiGate concept.
SSH access is not enabled on the traffic VDOM's management interface
Administrative access protocols must be enabled per interface per VDOM.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SSH access is not enabled on the traffic VDOM's management interface
Option D is correct because SSH access to a VDOM's management IP requires that the management interface explicitly permits SSH administrative access. In a multi-tenant FortiGate with VDOMs, each VDOM's management interface has its own independent administrative access settings. Even if the admin user exists and the VDOM is licensed, SSH will be rejected if the management interface does not have SSH access enabled under config system interface or via the GUI. The fact that SSH to the management VDOM succeeds but fails to the traffic VDOM's management IP points directly to this per-interface access control.
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.
The traffic VDOM does not have a license
Why it's wrong here
VDOMs do not require separate licenses.
The traffic VDOM is in transparent mode
Why it's wrong here
Transparent mode still supports SSH management.
The admin user is not in the correct trust group
Why it's wrong here
Not a FortiGate concept.
SSH access is not enabled on the traffic VDOM's management interface
Why this is correct
Administrative access protocols must be enabled per interface per VDOM.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates assume a configured admin user and a valid management IP are sufficient for SSH access, overlooking the per-interface administrative access control that must be explicitly enabled.
Detailed technical explanation
Under the hood, each VDOM's management interface is treated as a separate logical interface with its own set of administrative access flags (ping, ssh, https, telnet, snmp, etc.). These flags are stored in the interface configuration and are checked by the SSH daemon before allowing a connection. In a multi-tenant environment, this ensures that one VDOM's admin cannot inadvertently access another VDOM's management interface unless explicitly permitted. A common real-world scenario is when an administrator configures the management IP but forgets to enable 'set allowaccess ssh' on that interface, resulting in a silent failure.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
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FAQ
Enterprise Firewall and VDOMs — This question tests Enterprise Firewall and VDOMs — Read the scenario before looking for a memorised answer..
The correct answer is: SSH access is not enabled on the traffic VDOM's management interface — Option D is correct because SSH access to a VDOM's management IP requires that the management interface explicitly permits SSH administrative access. In a multi-tenant FortiGate with VDOMs, each VDOM's management interface has its own independent administrative access settings. Even if the admin user exists and the VDOM is licensed, SSH will be rejected if the management interface does not have SSH access enabled under config system interface or via the GUI. The fact that SSH to the management VDOM succeeds but fails to the traffic VDOM's management IP points directly to this per-interface access control.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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