A _____ creates a barrier between a computer or a network and the Internet in order to protect against unauthorized access.
A. ?botnet
B. ?worm
C. ?firewall
D. ?Trojan horse
Answer: C
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Which of the following is false?
a. JFrame is a lightweight component. b. JFrame is a subclass of Frame (which is a subclass of Window). c. JFrames have a title bar and a border. d. A JFrame window will look like all other windows displayed on that platform.
If you assign int cost = 395.75; what actually will be stored in memory?
A 396 B. 395.75 C. 395 D. 395.750000
Describe the two types of Linux kernels.
What will be an ideal response?
Find the error(s) in each of the following and explain how to correct it (them):
a) Assume the following prototype is declared in class Time: ``` void ~Time( int ); ``` b) The following is a partial definition of class Time: ``` class Time { public: // function prototypes private: int hour = 0; int minute = 0; int second = 0; }; // end class Time ``` c) Assume the following prototype is declared in class Employee: ``` int Employee( string, string ); ```