A ________ is a communication device that sends and receives data from one transmission system to another.

The connection to a router’s console port input is typically which of the following? (Select two.)

a. RS-232 b. USB c. DB-9 d. DB-25 e. None of these answers is correct.

The JButton, JCheckBox, JComboBox, and JRadioButton components are associated with the ____ method.

A. addAdjustmentListener() B. addChangeListener() C. addWindowListener() D. addItemListener()