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Given this health check configuration for a load balancer:

medium📝 Predict Output Q13 of 15
AWS - Elastic Load Balancing
Given this health check configuration for a load balancer:
IntervalSeconds: 30
TimeoutSeconds: 5
HealthyThresholdCount: 3
UnhealthyThresholdCount: 2
How many consecutive failed health checks will cause the instance to be marked unhealthy?
A30
B3
C5
D2
Step-by-Step Solution
Solution:

  1. Step 1: Understand UnhealthyThresholdCount meaning

    This value defines how many failed health checks in a row mark the instance unhealthy.

  2. Step 2: Identify the value from configuration

    UnhealthyThresholdCount is set to 2, so after 2 failed checks, the instance is unhealthy.

  3. Final Answer:

    2 -> Option D

  4. Quick Check:

    Failed checks to unhealthy = UnhealthyThresholdCount = 2 [OK]
Quick Trick: UnhealthyThresholdCount = failed checks before unhealthy [OK]
Common Mistakes:
MISTAKES
  • Confusing HealthyThresholdCount with unhealthy count
  • Using IntervalSeconds as count
  • Assuming timeout affects count

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