__________ modes of operation have been standardized by NIST for use with symmetric block ciphers such as DES and AES.
A. Three
B. Five
C. Nine
D. Seven
B. Five
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Separators between cells in a Table are called ________.
a) cell borders b) horizontal rules c) vertical rules d) grids e) None of the above.
Suppose you create a class Square to be a subclass of GeometricObject. Analyze the following code:
``` class Square extends GeometricObject { double length; Square(double length) { GeometricObject(length); } }``` a. The program compiles fine, but you cannot create an instance of Square because the constructor does not specify the length of the Square. b. The program has a compile error because you attempted to invoke the GeometricObject class's constructor illegally. c. The program compiles fine, but it has a runtime error because of invoking the Square class's constructor illegally.
TextBoxes, Buttons and RadioButtons are examples of .
a) platforms b) high-level languages c) IDEs d) controls
Which of the following is the proper way to dynamically access the background color from within the script?
a. ``` document.body.style.BackgroundColor ``` b. ``` document.body.attributes.BackgroundColor ``` c. ``` document.body.style.backgroundColor ``` d. ``` document.body.style.background-color ```