________ is a free, real-time blogging system in which you send and read short messages of up to 140 characters.

Which method of creating a database demands the least amount of expertise in Access?

A) Creating a custom web app B) Creating a blank desktop database C) Importing an Excel spreadsheet D) Using a template

When a virtual member function of a class in a class hierarchy is invoked through a pointer to an object in the class hierarchy, the compiler will select the member function to be invoked

A) from the class of the type of the pointer. B) from the class of the object that is pointed to. C) from the base class of the inheritance hierarchy. D) from the derived class of the base pointer object. E) None of the above