Fictional Corp has a data center that runs multiple internal applications. However, they want to migrate their email to a cloud
service provider so that mail will continue to be delivered in the case of any Internet service interruptions. They also want to use a single directory service so that they don't have to create duplicate user accounts on the internal and external systems. Which of the following types of services is best suited for Fictional Corp's needs? a. public cloud
b. private cloud
c. hybrid cloud
d. community cloud
Explanation: A member function and the constructor can be called within the function easily but for the execution of the these components outside the class , a special operator is required to call the functions. The scope resolution operator(::) preceding with the name of class is thus used for defining of the function outside class.This operator maintains the cope of the function and constructor outside the class.
