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When using weighted routing with weights 80 and 20 assigned to two records, what traffic distribution should you expect over time?

medium📝 service behavior Q5 of 15
AWS - Route 53
When using weighted routing with weights 80 and 20 assigned to two records, what traffic distribution should you expect over time?
AAll traffic to the record with weight 80 until it becomes unhealthy
BApproximately 80% of traffic to the first record and 20% to the second
CEqual traffic to both records regardless of weights
DTraffic routed based on the lowest latency endpoint
Step-by-Step Solution
Solution:
  1. Step 1: Understand weighted routing traffic distribution

    Weighted routing distributes traffic proportionally to the weights assigned.
  2. Step 2: Apply weights 80 and 20

    Traffic should be split roughly 80% to the first record and 20% to the second over time.
  3. Final Answer:

    Approximately 80% of traffic to the first record and 20% to the second correctly describes expected traffic distribution.
  4. Quick Check:

    Weighted routing splits traffic by assigned weights [OK]
Quick Trick: Traffic splits proportionally to weights assigned [OK]
Common Mistakes:
  • Assuming all traffic goes to highest weight record only
  • Confusing weighted routing with latency routing
  • Expecting exact percentages instantly instead of over time

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