AWS - Security Groups and Network ACLsIf a security group has no outbound rules, what is the default behavior for outbound traffic?AAll outbound traffic is denied by defaultBAll outbound traffic is allowed by defaultCOutbound traffic is allowed only on port 80DOutbound traffic is allowed only to instances in the same security groupCheck Answer
Step-by-Step SolutionSolution:Step 1: Recall AWS security group defaultsBy default, if no outbound rules exist, all outbound traffic is allowed.Step 2: Confirm default allow behaviorOutbound traffic is allowed by default unless explicitly denied by rules.Final Answer:All outbound traffic is allowed by default -> Option BQuick Check:No outbound rules = allow all outbound [OK]Quick Trick: No outbound rules means allow all outbound traffic [OK]Common Mistakes:Assuming outbound denied by defaultConfusing inbound and outbound defaults
Master "Security Groups and Network ACLs" in AWS9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
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