Click the ________ button in the SmartArt Styles group on the SmartArt Tools Design tab to display the Color gallery

Which of the following performance optimization techniques would be MOST beneficial for a network-wide VoIP setup? (Select TWO).

A. Proxy server B. Traffic shaping C. Caching engines D. Load balancing E. Quality of service

The main advantage to declaring a variable within a class definition is that:

A. you only have to declare it once B. the object made from the class will remember the value of the variable, even when a function of the object is not executing C. it allows you to write class functions to access the value of the variable D. you might declare a variable that is not useful, and the client will never know