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You are responsible for the security of a web application that uses Amazon Route 53 for DNS services. To enhance the security posture against DNS-based threats, what additional AWS service would you recommend?
A
AWS WAF to filter malicious DNS queries.
B
AWS Shield Advanced to protect against DDoS attacks on DNS infrastructure.
C
Amazon GuardDuty to detect and alert on DNS-based threats.
D
Amazon CloudFront to cache and distribute DNS responses securely.
