AWS Certified Solutions Architect Associate (SAA-C03) - Working with Security Groups

The video tutorial delves into the concept of security groups, comparing them with network ACLs, and explaining their rules, constraints, and applications within a Virtual Private Cloud (VPC). It highlights the stateful nature of security groups, their default settings, and how they differ from the stateless network ACLs. The tutorial also illustrates VPC architecture and discusses advanced configurations, including multi-homed instances and elastic network interfaces.

What happens to the default security group when an instance is launched?

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How can security groups be applied to multiple instances?

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What is the significance of allow rules in security groups?

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