The correct answer is to enable session pickup and configure HA session synchronization. This configuration is essential because in an active-passive HA cluster, the standby FortiGate maintains no awareness of active sessions unless session state information is explicitly replicated from the primary unit. Without session synchronization, when a failover occurs, the newly active unit has an empty session table and drops all existing connections, disrupting traffic. On the Fortinet NSE 7 Advanced Security NSE7 exam, this scenario tests your understanding of high-availability session preservation, often appearing as a trap where candidates mistakenly assume session tables are automatically shared in active-passive mode. A common memory tip is to think of session pickup as a “hot spare” for session data—just as you would back up critical files before a system switch, the primary must continuously mirror session states to the standby. Remember the mnemonic “Sync to Survive”: without synchronization, sessions do not survive the failover.
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.
An administrator configures two FortiGate units in an active-passive HA cluster. During a failover test, the administrator notices that the secondary unit becomes primary but the session table is empty, causing all existing connections to drop. Which configuration change should be made to preserve session information during failover?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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
✓
Enable session pickup and configure HA session synchronization
Option D is correct because session pickup and HA session synchronization are specifically designed to replicate the session table from the primary FortiGate to the secondary unit in an active-passive cluster. Without this feature, the secondary unit becomes primary but has no knowledge of existing sessions, causing all active connections to drop. Enabling session synchronization ensures that session state information is continuously mirrored to the standby unit, allowing seamless failover without disrupting established flows.
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.
✗
Enable FGCP configuration synchronization
Why it's wrong here
FGCP synchronizes configuration, not session tables.
✗
Configure dead gateway detection on the FortiGate units
Why it's wrong here
Dead gateway detection is for routing gateway failover, not session preservation.
✗
Enable link-failover on the monitored interfaces
Why it's wrong here
Link-failover only triggers failover on interface failure.
✓
Enable session pickup and configure HA session synchronization
Why this is correct
Session pickup synchronizes session tables between cluster members.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse configuration synchronization (which is automatic and covers settings) with session synchronization (which must be explicitly enabled), leading them to incorrectly select option A thinking it preserves sessions.
Detailed technical explanation
How to think about this question
Session synchronization in FortiGate HA uses UDP port 703 (by default) to replicate session entries from the primary to the secondary unit in real time. The session pickup feature allows the new primary to retain these synchronized sessions after failover, avoiding the need for endpoints to re-establish connections. In high-availability deployments with stateful inspection (e.g., VoIP or long-lived TCP flows), failing to enable session synchronization can cause significant service disruption, as all sessions must be re-negotiated from scratch.
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: Enable session pickup and configure HA session synchronization — Option D is correct because session pickup and HA session synchronization are specifically designed to replicate the session table from the primary FortiGate to the secondary unit in an active-passive cluster. Without this feature, the secondary unit becomes primary but has no knowledge of existing sessions, causing all active connections to drop. Enabling session synchronization ensures that session state information is continuously mirrored to the standby unit, allowing seamless failover without disrupting established flows.
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: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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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