TippingPoint IPS对应用保护的过滤器分为哪几类？（） A: AAttack Pretection，Reconnaissance，Security Policy，Informational B: BAttack Pretection，Scan，Security Policy，Informational C: CAttack Pretection，Reconnaissance，Misuser&Abuse，Informational D: DAttack Pretectio，Scan，Security Policy，Misuser&Abuse

When selling a product, you need to introduce its features and benefits as well as its technological life-span and patent pretection.