The answer is that traffic must be flowing between spokes through the hub, and the hub’s phase 2 configuration must have auto-discovery enabled. These two additional conditions for ADVPN shortcut tunnels after basic config are required because shortcut establishment is a dynamic, traffic-driven process: the hub’s phase 2 must explicitly permit the auto-discovery exchange, and actual inter-spoke traffic must traverse the hub to trigger the IKE negotiation for a direct shortcut. On the Fortinet NSE 7 Advanced Security NSE7 exam, this question tests your understanding that simply enabling auto-discovery on interfaces and spokes is insufficient—candidates often mistakenly think spoke-side settings alone are enough, or that static routes can substitute for live traffic. A common trap is overlooking the hub’s phase 2 auto-discovery flag, which is separate from the interface-level setting. Memory tip: think “Traffic and Tunnel Trigger”—the hub must both allow the discovery (phase 2) and see the data (traffic) to build the shortcut.
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.
An administrator is deploying ADVPN with a hub-and-spoke topology. The hub FortiGate is configured with 'set auto-discovery enable' and 'set add-route enable'. Spokes have 'set auto-discovery-sender enable'. However, shortcut tunnels are not being established. Which two additional conditions must be met for shortcut tunnels to form? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The phase 2 configuration on the hub must have 'set auto-discovery enable'
Shortcut tunnels require traffic between spokes (A) and the hub's phase 2 must have auto-discovery enabled (C).
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 spokes must have a static route to each other's networks
Why it's wrong here
Static routes are not required; ADVPN uses dynamic learning.
✗
The spokes must have 'set dpd enable' on the phase 1
Why it's wrong here
DPD is not required for shortcut tunnel establishment.
✓
The phase 2 configuration on the hub must have 'set auto-discovery enable'
Why this is correct
The hub's phase 2 must allow auto-discovery to negotiate shortcuts.
Related concept
Read the scenario before looking for a memorised answer.
✓
Traffic must be flowing between spokes through the hub
Why this is correct
Shortcut tunnels are triggered by inter-spoke traffic traversing the hub.
Related concept
Read the scenario before looking for a memorised answer.
✗
The hub must be configured as a route reflector for BGP
Why it's wrong here
BGP route reflection is not a requirement for ADVPN.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the NSE7 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which NSE7 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Advanced VPN and Zero Trust — This question tests Advanced VPN and Zero Trust — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The phase 2 configuration on the hub must have 'set auto-discovery enable' — Shortcut tunnels require traffic between spokes (A) and the hub's phase 2 must have auto-discovery enabled (C).
What should I do if I get this NSE7 question wrong?
Identify which NSE7 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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