is the most refined and restrictive service model. a) IaaS b) CaaS c) PaaS

c) PaaS

Explanation:

Refined and restrictive service model allows the user to use full package of application stack as demand by the service. It should be noted that "PaaS" is the most refined and restrictive service model.

Platform as a Service known as (PaaS ) is computing platform that gives room for the user in the cloud to manage applications.

PaaS helps to overcome the problem in managing the complexity of software licence. Example of PaaS are window Azure,Apache Stratos.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.