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Answer: Modify the RDS instance's security group to deny all inbound and outbound traffic.
Modifying the RDS instance's security group to deny all inbound and outbound traffic effectively isolates the instance from other resources, preventing further communication. Terminating the instance might disrupt operations. Taking a snapshot does not isolate the instance. Increasing storage size does not affect network capabilities.
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During a security incident, you need to isolate a compromised RDS instance. What AWS mechanisms can you use to prevent the instance from communicating with other resources?
A
Terminate the RDS instance and restore from a backup.
B
Modify the RDS instance's security group to deny all inbound and outbound traffic.
C
Take a snapshot of the RDS instance and then delete it.
D
Increase the RDS instance's storage size to limit its network capabilities.
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