1.What is the data center standard? just need its name 1) 2.What are the three basic network storage architectures? 1) just its name 2) just its name 3) just its name 3.What are the representatives of three generations of mobile communication technology? 1) 2) just its name , Short answer 3) 4.What 3 requirements are the physical layer design should meet? 1) 2) 3)