Animation cannot be added to a SmartArt object

Traditional landline telephones use ________, which is a dedicated connection between two points that remains active for the duration of transmission

A) packet switching B) an open circuit C) circuit switching D) a closed circuit

In the case of C, C++, Java, and JavaScript, the assignment operation is accomplished with the ____ character(s).

A. "=" B. "= =" C. "+" D. "+ +"