AWS - VPC FundamentalsYou created a route table but forgot to associate it with any subnet. What will be the effect?AInstances in subnets will not use this route tableBAll subnets will automatically use this route tableCThe route table will replace the main route tableDAWS will throw an error and prevent creationCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand route table associationRoute tables must be associated with subnets to take effect for those subnets.Step 2: Default behaviorIf not associated, subnets use the main route table by default.Final Answer:Instances in subnets will not use this route table -> Option AQuick Check:Unassociated route tables have no effect on subnets [OK]Quick Trick: Route tables must be associated to affect subnet routing [OK]Common Mistakes:Assuming automatic associationThinking AWS blocks unassociated route tablesConfusing main route table replacement
Master "VPC Fundamentals" in AWS9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More AWS Quizzes AWS Account and Billing - Root user vs IAM user - Quiz 2easy AWS Account and Billing - AWS Cost Explorer basics - Quiz 4medium EC2 Fundamentals - Amazon Machine Images (AMIs) - Quiz 8hard Identity and Access Management - Least privilege principle - Quiz 8hard Identity and Access Management - Least privilege principle - Quiz 5medium S3 Fundamentals - Creating S3 buckets - Quiz 7medium S3 Fundamentals - S3 storage classes (Standard, IA, Glacier) - Quiz 5medium S3 Fundamentals - Why S3 matters for object storage - Quiz 14medium VPC Fundamentals - CIDR blocks and IP addressing - Quiz 15hard VPC Fundamentals - NAT Gateway for private subnet internet - Quiz 1easy