"DoS / DDoS Defense"

"DoS / DDoS Defense" Please respond to the following:

• Analyze why you believe DoS and DDoS attacks have evolved in recent years to be more than simple annoyances to more targeted attacks involving extortion and other crimes. Explain the effect that you believe this has on large corporations and describe one security control that can be implemented to help mitigate the DoS / DDoS risk.
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•  Discuss the tool’s primary uses, strengths and weaknesses, competing products, costs, system requirements, and whether hackers and / or security personnel commonly use the tool. Explain how security personnel could use the tool and how hackers could use it.