A. Add a rule in the inbound table of the security to deny the traffic from that CIDR range.
B. Add a rule in the outbound table of the security group to deny the traffic from that CIDR range.
C. Add a deny rule in the inbound table of the network ACL with a lower number than other rules. Most Voted
D. Add a deny rule in the outbound table of the network ACL with a lower rule number than other rules.

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