- A
Create a route map to prefer wan1 and apply it to the SD-WAN rule.
Why wrong: Route maps are for routing policy, not for SD-WAN failover based on SLA metrics.
- B
Set the SD-WAN rule strategy to 'Best Quality' and select latency as the metric.
Why wrong: Best Quality strategy would automatically select the best member based on SLA metrics, but the engineer wants a manual preference with SLA-based failover.
- C
Enable BFD on wan1 and wan2 with a minimum interval of 50 ms.
Why wrong: BFD detects link failures but does not measure latency; it is used for fast convergence, not for SLA-based failover.
- D
Configure a performance SLA for wan1 with a latency threshold of 50 ms and associate it with the SD-WAN rule.
The performance SLA measures latency and triggers failover when the threshold is exceeded.
Quick Answer
The correct answer is to configure a performance SLA for wan1 with a latency threshold of 50 ms and associate it with the SD-WAN rule. This is necessary because the SD-WAN rule’s Manual strategy only designates a preferred member; it does not automatically trigger failover. A performance SLA actively measures latency on wan1, and when the measured latency exceeds the 50 ms threshold, FortiGate marks that member as dead, causing traffic to fail over to wan2 automatically. On the Fortinet NSE 7 Advanced Security NSE7 exam, this scenario tests your understanding that a Manual strategy requires an SLA to enable automatic failover based on latency—a common trap is assuming the Manual strategy alone handles failover. Remember the tip: “Manual needs a measure”—without a performance SLA, the preferred member is always used, even if it’s slow.
NSE7 Advanced Networking and SD-WAN Practice Question
This NSE7 practice question tests your understanding of advanced networking and sd-wan. 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 network engineer is configuring SD-WAN on a FortiGate. They have three WAN interfaces (wan1, wan2, lte) and want traffic to the primary datacenter (10.10.10.0/24) to use wan1 unless its latency exceeds 50 ms, in which case failover to wan2. The engineer created an SD-WAN rule with a strategy of 'Manual' and selected 'wan1' as the preferred member. What additional configuration is required to achieve automatic failover based on latency?
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 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
Configure a performance SLA for wan1 with a latency threshold of 50 ms and associate it with the SD-WAN rule.
For automatic failover based on latency, a performance SLA must be configured to measure latency on wan1. The SD-WAN rule uses the SLA to determine if the preferred member meets the threshold; if not, traffic switches to the next available member. Option A correctly identifies this requirement.
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.
- ✗
Create a route map to prefer wan1 and apply it to the SD-WAN rule.
Why it's wrong here
Route maps are for routing policy, not for SD-WAN failover based on SLA metrics.
- ✗
Set the SD-WAN rule strategy to 'Best Quality' and select latency as the metric.
Why it's wrong here
Best Quality strategy would automatically select the best member based on SLA metrics, but the engineer wants a manual preference with SLA-based failover.
- ✗
Enable BFD on wan1 and wan2 with a minimum interval of 50 ms.
Why it's wrong here
BFD detects link failures but does not measure latency; it is used for fast convergence, not for SLA-based failover.
- ✓
Configure a performance SLA for wan1 with a latency threshold of 50 ms and associate it with the SD-WAN rule.
Why this is correct
The performance SLA measures latency and triggers failover when the threshold is exceeded.
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
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.
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Advanced Networking and SD-WAN — study guide chapter
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FAQ
Questions learners often ask
What does this NSE7 question test?
Advanced Networking and SD-WAN — This question tests Advanced Networking and SD-WAN — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure a performance SLA for wan1 with a latency threshold of 50 ms and associate it with the SD-WAN rule. — For automatic failover based on latency, a performance SLA must be configured to measure latency on wan1. The SD-WAN rule uses the SLA to determine if the preferred member meets the threshold; if not, traffic switches to the next available member. Option A correctly identifies this requirement.
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.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 21, 2026
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.
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