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Your company is using AWS to host its web application. You want to implement network security controls to protect the application from unauthorized access. Which of the following steps should you take to achieve this?
A
Create a single security group with open access to the internet for all resources.
B
Create a security group for each resource, allowing only necessary ports and IP addresses.
C
Disable all security groups and rely on network ACLs for access control.
D
Enable all security groups and network ACLs, allowing unrestricted access to all resources.