Question 2: According to NIST, what are the essential characteristics of cloud computing?

Choice: (choose correct answer): 

() On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured service
() Constant physical upgrades, Limited resource availability, Manual resource management, Network dependency
() Single-tenancy, Fixed scalability, Broad user access, On-premise services
() Centralized resource control, Infrequent elasticity, Broad network access, Unmeasured service


Answer: On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured service