Which of the following is not true of a class that will be used to instantiate function objects?
a. It must overload the parentheses operator.
b. It can have data members.
c. It must be a concrete class.
d. All of the above are true about a class that will be used to instantiate function objects.
d. All of the above are true about a class that will be used to instantiate function objects.
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____________________ lets you use formatting properties such as font and color for application to a column or column group.
Fill in the blank(s) with the appropriate word(s).
The ____ list style type uses lowercase Roman numerals.
A. non-roman B. lowercase-roman C. lowercase D. lower-roman
A(n) ____ is a programmer-defined type, such as a class.
A. inheritance B. numeric data type C. primitive data type D. abstract data type
Sean suspects that an individual in his company is smuggling out secret information despite his company's careful use of data loss prevention systems. He discovers that the suspect is posting photos, including the one shown here, to public Internet message boards. What type of technique may the individuals be using to hide messages inside this image?
A. Watermarking B. VPN C. Steganography D. Covert timing channel