Which of the following is not an important factor to consider when selecting media to be used in a network?
a. prestige value of the type of media
b. type of network
c. cost
d. transmission distance
e. security
Answer: a. prestige value of the type of media
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The original name for Java was
a. JavaScript b. HotJava c. Elm d. Oak
Polymorphism enables you to:
a. program in the general. b. program in the specific. c. absorb attributes and behavior from previous classes. d. hide information from the user.
What is the output of the following code?public class Rectangle{ // Instance variables private double length; private double width; // Getters and setters for length and width public double getLength(){ return length; } public void setLength(double length){ this.length = checkData(length); } public double getWidth(){ return width; } public void setWidth(double width){ this.width = checkData(width); } // Constructor public Rectangle(double length, double width){ this.length = checkData(length); this.width = checkData(width); } // Error-checking method public double checkData(double val){ // If value is negative, make it positive if(val < 0) val = val * -1; return val; } public double getArea(){ return length * width; } public double getPerimeter(){ return 2 * (length + width); } public
String getData(){ return "Length: " + this.length + "\nWidth: " + this.width + "\nArea: " + this.getArea() + "\nPerimeter: " + this.getPerimeter(); }}public class MakeRectangles{ public static void main(String[] args){ Rectangle rect1 = new Rectangle(-4.0, 2.0); Rectangle rect2 = new Rectangle(8.0, 6.0); System.out.println("Rectangle 1:\n" + rect1.getData()); System.out.println("Rectangle 2:\n" + rect2.getData()); }} A. Rectangle 1: Length: 4.0 Width: 2.0 Area: 8.0 Perimeter: 12.0 Rectangle 2: Length: 8.0 Width: 6.0 Area: 48.0 Perimeter: 28.0 B. Rectangle 1: Length: -4.0 Width: 2.0 Area: -8.0 Perimeter: -12.0 Rectangle 2: Length: 8.0 Width: 6.0 Area: 48.0 Perimeter: 28.0 C. Rectangle 1: Length: -4.0 Width: 2.0 Area: -8.0 Perimeter: -4.0 Rectangle 2: Length: 8.0 Width: 6.0 Area: 48.0 Perimeter: 28.0 D. Rectangle 1: Length: -4.0 Width: 2.0 Area: 8.0 Perimeter: 12.0 Rectangle 2: Length: 8.0 Width: 6.0 Area: 48.0 Perimeter: 28.0
Which of the following views is not used with forms or reports?
A) Form B) SQL C) Layout D) Design