AWS Certified SysOps Administrator SOA-C01 – Question552

Malicious traffic is reaching company web servers from a single IP address located in another country. The SysOps Administrator is tasked with blocking this IP address.
How should the Administrator implement the restriction?

A.
Edit the security group for the web servers and add a deny entry for the IP address
B. Edit the network access control list for the web server subnet and add a deny entry for the IP address
C. Edit the VPC route table to route the malicious IP address to a black hole
D. Use Amazon CloudFront’s geo restriction feature to block traffic from the IP address