Which of the following would be used to connect two IDFs in the same building with the LAN, while minimizing crosstalk?

The term blog is derived from the phrase ________

Fill in the blank(s) with correct word

Why doesn't the following code compile correctly?

``` import java.awt.*; import java.awt.event.*; import javax.swing.*; public class ColorCheckBoxWindow extends JFrame { private JCheckBox greenCheckBox; private final int WINDOW_WIDTH = 300, WINDOW_HEIGHT = 100; public ColorCheckBoxWindow() { setTitle("Green Check Box"); setSize(WINDOW_WIDTH, WINDOW_HEIGHT); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); greenCheckBox = new JCheckBox("Green"); greenCheckBox.addItemListener(new CheckBoxListener()); setLayout(new FlowLayout()); add(greenCheckBox); setVisible(true); } public void itemStateChanged(ItemEvent e) { if (e.getSource() == greenCheckBox) { System.exit(0); } } } ``` A) ColorCheckBoxWindow is not implementing the correct listener. B) The button cannot be added to the content pane. C) The itemStateChanged method cannot be coded here. D) greenCheckBox should not be a private member.