NSE7 Advanced Networking and SD-WAN Practice Question
A network administrator is configuring SD-WAN rules and wants to ensure that voice traffic is sent over the link with the lowest jitter. Which TWO configurations should the administrator apply? (Choose two.)
⚠ Common exam trap
Test-takers frequently confuse 'set jitter-threshold' as a direct SD-WAN rule parameter, when in fact jitter thresholds are defined within the performance SLA configuration and the rule only references the SLA via the 'best quality' strategy.
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
✓
Set the SD-WAN rule strategy to 'best quality'
Setting the SD-WAN rule strategy to 'best quality' instructs FortiGate to select the link with the best performance metrics, such as lowest jitter, based on the configured performance SLA. This strategy dynamically routes traffic to the interface that meets the SLA targets, ensuring voice traffic uses the link with the lowest jitter.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Set the SD-WAN rule strategy to 'lowest cost'
Why it's wrong here
Lowest cost uses administrative cost, not jitter.
- ✗
Configure the SD-WAN rule to use 'volume' load balancing
Why it's wrong here
Volume is a load balancing algorithm, not related to jitter.
- ✓
Set the SD-WAN rule strategy to 'best quality'
Why this is correct
Best quality uses the priority order of metrics, which can include jitter.
- ✗
Enable 'set jitter-threshold' on the SD-WAN rule
Why it's wrong here
Jitter threshold is part of SLA configuration, not the rule itself.
- ✓
Ensure the performance SLA measures jitter
Why this is correct
Without jitter measurement, the SLA cannot evaluate jitter.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.