The answer is that session pickup is disabled specifically for VDOM-B in the per-VDOM HA configuration. This is because FortiGate’s FGCP allows per-VDOM HA settings to override the global session-pickup enable command; while the global configuration enables session pickup and even session-pickup-connectionless, the explicit set session-pickup disable under VDOM-B prevents its sessions from being synchronized to the standby unit after a failover. On the Fortinet NSE 7 Advanced Security NSE7 exam, this scenario tests your understanding of the hierarchy between global and per-VDOM HA parameters—a common trap is assuming a global enable applies uniformly across all VDOMs. Remember the memory tip: “Global says yes, but VDOM says no—per-VDOM wins the show.”
NSE7 Enterprise Firewall and VDOMs Practice Question
This NSE7 practice question tests your understanding of enterprise firewall and vdoms. 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 company has deployed two FortiGate-600Es in an active-passive HA cluster. The cluster is configured with three VDOMs: VDOM-A (corporate LAN), VDOM-B (guest Wi-Fi), and VDOM-C (DMZ). Each VDOM has its own set of interfaces and policies. The cluster is also configured to use FGCP with session pickup enabled. Recently, the network team noticed that after a failover event, some user sessions in VDOM-B are not being picked up, causing disruption for guest users. The session pickup feature is enabled globally. The administrator checks the configuration and finds the following settings on the primary FortiGate:
- config system ha
set session-pickup enable
set session-pickup-connectionless enable
end
- config vdom
edit VDOM-A
config system ha
set session-pickup enable
end
next
edit VDOM-B
config system ha
set session-pickup disable
end
next
edit VDOM-C
config system ha
set session-pickup enable
end
next
Based on this configuration, what is the most likely reason that sessions in VDOM-B are not being picked up?
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.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Session pickup is disabled specifically for VDOM-B in the per-VDOM HA configuration.
Option C is correct because the per-VDOM HA configuration for VDOM-B explicitly disables session pickup with 'set session-pickup disable'. Even though the global HA settings enable session pickup, the per-VDOM setting overrides the global setting for that VDOM. As a result, after a failover, sessions in VDOM-B are not synchronized to the standby FortiGate and are not picked up, causing disruption for guest users.
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 HA priority of the cluster is set too low, causing session pickup to fail for VDOM-B.
Why it's wrong here
HA priority does not affect session pickup functionality.
✗
Session pickup for connectionless protocols is not enabled, so UDP sessions in VDOM-B are not picked up.
Why it's wrong here
Session-pickup-connectionless is enabled globally, so UDP sessions should be picked up unless disabled per VDOM.
✓
Session pickup is disabled specifically for VDOM-B in the per-VDOM HA configuration.
Why this is correct
The per-VDOM setting overrides the global setting, so session pickup is disabled for VDOM-B.
Clue confirmation
The clue words "most likely", "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The interfaces assigned to VDOM-B do not have session pickup enabled.
Why it's wrong here
Session pickup is a VDOM-level setting, not per-interface.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume global session pickup settings apply uniformly to all VDOMs, overlooking that per-VDOM HA settings override the global configuration, which is a common misconfiguration in multi-VDOM HA deployments.
Detailed technical explanation
How to think about this question
In FGCP, session pickup can be configured globally and overridden per VDOM. When session-pickup is disabled at the VDOM level, the FortiGate does not synchronize session tables for that VDOM to the standby unit, even if global settings are enabled. This is critical in multi-tenant environments where different VDOMs may have different availability requirements; for example, guest Wi-Fi (VDOM-B) might be intentionally excluded from session pickup to reduce synchronization overhead, but in this scenario it was likely an oversight.
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.
TExam Day Tips
→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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Enterprise Firewall and VDOMs — This question tests Enterprise Firewall and VDOMs — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Session pickup is disabled specifically for VDOM-B in the per-VDOM HA configuration. — Option C is correct because the per-VDOM HA configuration for VDOM-B explicitly disables session pickup with 'set session-pickup disable'. Even though the global HA settings enable session pickup, the per-VDOM setting overrides the global setting for that VDOM. As a result, after a failover, sessions in VDOM-B are not synchronized to the standby FortiGate and are not picked up, causing disruption for guest users.
What should I do if I get this NSE7 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely", "primary". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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