NSE7 Advanced Networking and SD-WAN Practice Question
Which TWO statements correctly describe the behavior of SD-WAN rules when using the 'maximize-bandwidth' strategy?
⚠ Common exam trap
Many candidates confuse 'maximize-bandwidth' with simple 'load balancing' or assume it splits individual sessions, when in fact it uses weighted distribution while maintaining per-session stickiness and relying on health checks for member eligibility.
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
✓
The administrator can assign different weights to members to influence the proportion of traffic each handles.
The 'maximize-bandwidth' strategy in SD-WAN rules uses weighted load balancing, where the administrator assigns weights to each member link. The proportion of traffic each member handles is directly proportional to its assigned weight, allowing fine-grained control over bandwidth utilization across multiple WAN links.
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 strategy ensures that all traffic uses the member with the highest bandwidth.
Why it's wrong here
Maximize-bandwidth spreads traffic across all eligible members to utilize total bandwidth, not just the highest bandwidth.
- ✓
The administrator can assign different weights to members to influence the proportion of traffic each handles.
Why this is correct
Weights can be set per member to control the load-balancing ratio.
- ✓
If a member fails its health-check, it is removed from the set of eligible members for the rule.
Why this is correct
Health-check failure marks the member as dead, and it is not considered for traffic distribution.
- ✗
Traffic from a single session can be split across multiple members for better performance.
Why it's wrong here
Session traffic is not split; each session is assigned to a single member.
- ✗
Traffic is distributed based on session count to keep each link equally utilized.
Why it's wrong here
Maximize-bandwidth uses weight or volume-based load balancing, not session count.
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Senior Network & Security Engineer · founder of Courseiva
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