5V0-42.21 · Question #38
A customer would like to ensure that the traffic towards the Partner Gateway does not exceed a certain bandwidth. Which feature should be used?
The correct answer is C. Change the application priority to low. Changing the application priority to low triggers the SD-WAN platform to apply bandwidth throttling for that traffic toward the Partner Gateway, effectively capping throughput at a controlled rate rather than just deprioritizing it in a queue. Why the distractors are wrong: A…
Question
A customer would like to ensure that the traffic towards the Partner Gateway does not exceed a certain bandwidth. Which feature should be used?
Options
- AModify the SD WAN Traffic Class and Weight Mapping
- BEnable the SD-WAN Overlay Rate-Limit.
- CChange the application priority to low.
- DEnable the rate limit under a new custom Business Policy Rule.
How the community answered
(40 responses)- A5% (2)
- B13% (5)
- C80% (32)
- D3% (1)
Explanation
Changing the application priority to low triggers the SD-WAN platform to apply bandwidth throttling for that traffic toward the Partner Gateway, effectively capping throughput at a controlled rate rather than just deprioritizing it in a queue.
Why the distractors are wrong:
- A (Traffic Class and Weight Mapping): This adjusts how bandwidth is distributed proportionally among traffic classes, but does not enforce a hard ceiling on traffic sent to a specific gateway.
- B (SD-WAN Overlay Rate-Limit): This controls the aggregate overlay tunnel bandwidth more broadly and is not the targeted mechanism for Partner Gateway-specific bandwidth enforcement.
- D (Business Policy Rate Limit): Business Policy Rules manage application routing and SLA-based decisions; a rate limit here applies to flow behavior generally, not specifically to cap bandwidth toward a Partner Gateway.
Memory tip: Think "low priority = low bandwidth allowance." When you want the Partner Gateway to receive no more than a set amount of traffic, you're throttling it down - and setting application priority to low is the mechanism that enforces that ceiling in this context. Associate "Partner Gateway bandwidth cap" with "pull the priority lever down."
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