How can a DHCP server be configured to not register A and PTR records if a DNS record with a different name already exists?
A. By using the Name Protection option
B. By using the "Disable dynamic updates for DNS PTR records" option
C. By enabling the "Discard A and PTR records when lease is deleted" option
D. By enabling the "Always dynamically update DNS records" option
Answer: A
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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.
A(n) _________ provides many tools that support the software development process, such as editors for writing and editing programs, debuggers for locating logic errors in programs, and many other features.
Fill in the blank(s) with the appropriate word(s).
Cascading style sheets allow you to quickly change
a. from server-side processing to client-side processing. b. to a more secure transport protocol. c. the rules for applying formatting to an HTML document. d. from HTML to XML.
The data lines provide a path for moving data among system modules and are collectively called the _________.
A. control bus B. address bus C. data bus D. system bus