Which of the following is a common link-state protocol?

Passive sniffing is performed on a hub

Indicate whether the statement is true or false.

Which of the following statements about the Java 2D API is true?

a. A Graphics2D object is instantiated to draw Java 2D figures. b. Class Graphics2D is a subclass of class Graphics. c. To access Graphics2D capabilities, cast the Graphics reference passed to paintComponent to a Graphics2D reference. d. All of the above are true.