Given the following API Gateway throttling settings: rateLimit: 50 and burstLimit: 100, what happens when 120 requests arrive simultaneously?

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AWS - API Gateway

Given the following API Gateway throttling settings: rateLimit: 50 and burstLimit: 100, what happens when 120 requests arrive simultaneously?

AUp to 100 requests are processed immediately; the rest are throttled

BOnly 50 requests are processed; the rest are throttled

CAll 120 requests are processed immediately

DRequests are queued and processed one by one without throttling

Step-by-Step Solution

Solution:

Step 1: Understand burstLimit and rateLimit roles
BurstLimit allows short spikes up to 100 requests at once; rateLimit controls steady rate at 50 requests per second.
Step 2: Analyze 120 simultaneous requests
Up to 100 requests are allowed immediately (burst), the remaining 20 exceed burst and get throttled.
Final Answer:
Up to 100 requests are processed immediately; the rest are throttled -> Option A
Quick Check:
BurstLimit = immediate spike limit [OK]

Quick Trick: BurstLimit allows short spikes, rateLimit steady rate [OK]

Common Mistakes:

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