1) Please review lesson Analyzing Business Goals and Constraints and provide detailed description of Top-Down Network Design Steps.2) Please review lesson Analyzing Technical Goals and Tradeoffs posted and describe the following technical design network goals.A) ScalabilityB) AvailabilityC) PerformanceD) SecurityE) ManageabilityF) UsabilityG) AdaptabilityH) AffordabilityHi attached the chapter 1 , 2. there should be no similarity and plagarism for these two questions.