1.   Which of the architectural layer is used as a backend in cloud computing

2.   _______ model attempts to categorize a cloud network based on four dimensional factors.

3.   The child process completes execution, but the parent keeps executing, then the child process is known as __________

4.   SWiGGY.IN formed a cloud for its all branches but due to its limited resources it obtained the services of AWS for extended provisioning and thus modified its cloud; The cloud so formed is the example of ______

5.   _______ is a pay-as-you-go model matches resources to need on an ongoing basis.