AWS - Route 53Why does Route 53 require multiple consecutive health check failures before marking an endpoint unhealthy?ATo ensure DNS queries are balanced evenlyBTo reduce the number of health checks billedCTo speed up failover to unhealthy endpointsDTo avoid false positives from transient network issuesCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand the reason for consecutive failure thresholdMultiple failures prevent marking endpoints unhealthy due to brief or temporary network glitches.Step 2: Evaluate other optionsBilling is unrelated; failover speed is slowed by multiple failures; DNS balancing is unrelated.Final Answer:To avoid false positives from transient network issues -> Option DQuick Check:Multiple failures prevent false unhealthy status [OK]Quick Trick: Multiple failures avoid false unhealthy status [OK]Common Mistakes:Thinking it reduces billingBelieving it speeds failoverConfusing with DNS balancing
Master "Route 53" in AWS9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More AWS Quizzes Advanced Security - Why defense in depth matters - Quiz 13medium Architecture Best Practices - Cost optimization pillar - Quiz 3easy Architecture Best Practices - Operational excellence pillar - Quiz 9hard Architecture Best Practices - Reliability pillar principles - Quiz 12easy CloudFormation - Updating and deleting stacks - Quiz 9hard CloudFormation - Why Infrastructure as Code matters - Quiz 4medium Cost Optimization - Why cost management matters - Quiz 10hard Route 53 - Domain registration - Quiz 9hard Serverless Architecture - Lambda with API Gateway pattern - Quiz 14medium Serverless Architecture - Lambda with S3 event triggers - Quiz 3easy