A user has configured two security groups which allow traffic as given below: 1: SecGrp1: Inbound on port 80 for 0.0.0.0/0 Inbound on port 22 for 0.0.0.0/0 2: SecGrp2: Inbound on port 22 for 10.10.10.1/32 If both the security groups are associated with the same instance, which of the below mentioned statements is true?
A) It is not possible to have more than one security group assigned to a single instance
B) It is not possible to create the security group with conflicting rules. AWS will reject the request
C) It allows inbound traffic for everyone on both ports 22 and 80
D) It allows inbound traffic on port 22 for IP 10.10.10.1 and for everyone else on port 80

Question

Quizplus · Accepted Answer

When multiple security groups are associated with an instance, the rules are aggregated, allowing inbound traffic on any port specified by any of the security groups. Thus, traffic is allowed on port 80 for everyone and on port 22 for everyone.

A User Has Configured Two Security Groups Which Allow Traffic