____ is an algorithm based on a random permutation using a variable key-size stream cipher with byte-oriented operations.

Match the following type of Internet connection with their speed:

I. Dial-up II. Satellite III. DSL IV. Cable V. Fiber-optic A. 512 Kbps B. 3 Tbps C. 128 Kbps D. 56 Kbps E. 6 Mbps

Analyze the following code:

``` import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.layout.HBox; import javafx.stage.Stage; public class Test extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { HBox pane = new HBox(5); Image usIcon = new Image("http://www.cs.armstrong.edu/liang/image/usIcon.gif"); Button bt1 = new Button("Button1", new ImageView(usIcon)); Button bt2 = new Button("Button2", new ImageView(usIcon)); pane.getChildren().addAll(bt1, bt2); Scene scene = new Scene(pane, 200, 250); primaryStage.setTitle("Test"); // Set the stage title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage } /** * The main method is only needed for the IDE with limited JavaFX * support. Not needed for running from the command line. */ public static void main(String[] args) { launch(args); } }``` a. Two buttons displayed with the same icon. b. Only bt2 displays the icon and bt1 does not display the icon. c. Only bt1 displays the icon and bt2 does not display the icon. d. Two buttons displayed with different icons.