MCQ: Why is it crucial to establish communication and coordination with ISPs (Internet Service Providers) as part of DDoS mitigation efforts?

• A. Communication with ISPs has no impact on DDoS mitigation
• B. To encourage DDoS attacks
• C. Establishing communication and coordination with ISPs is crucial to share information and collaborate in mitigating large-scale DDoS attacks
• D. ISPs automatically mitigate all DDoS attacks targeting their networks