A(n) ________________ connects two nodes in a graph.
A. arc
B. connector
C. edge
D. linkage
C
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XAML is used to describe the ___________ of a WPF application.
a) classes b) program logic c) code-behind file d) GUI
A CentOS 7 filename requires an extension when you use a command to list, view, or execute the file.
Answer the following statement true (T) or false (F)
Analyze the following code:
``` import javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.scene.layout.HBox; import javafx.scene.shape.Circle; public class Test extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { HBox pane = new HBox(5); Circle circle = new Circle(50, 200, 200); pane.getChildren().addAll(circle); circle.setCenterX(100); circle.setCenterY(100); circle.setRadius(50); pane.getChildren().addAll(circle); // Create a scene and place it in the stage Scene scene = new Scene(pane); 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. The program has a compile error since the circle is added to a pane twice. b. The program has a runtime error since the circle is added to a pane twice. c. The program runs fine and displays one circle. d. The program runs fine and displays two circles.
Match the OSI layer with its description
I. Session A. Translates logical to physical addresses II. Network B. Creates and maintains the communications link III. Physical C. Performs protocol conversion V. Presentation D. Transmits raw data