Per HCSA-Sales-IP Network V6.0, ISPs (B) have the greatest need for anti-DDoS solutions due to their role as internet service providers, facing frequent and large-scale DDoS attacks targeting their infrastructure and customers. While oil (A), electric power (C), and manufacturing (D) industries may use anti-DDoS, their exposure is less critical compared to ISPs. Thus, B is correct.References: HCSA-Sales-IP Network V6.0, Anti-DDoS Industry Applications.
Question 2
Huawei CloudEngine S16800 switches are only for storage networks.