A is a control in which the user can enter data from a keyboard.

a) Button
b) TextBox
c) Label
d) PictureBox

b) TextBox

Computer Science & Information Technology

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Java's ____ statement can be used to verify that something is true at a given point in a program.

A. boolean B. throw C. catch D. assert

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Computer Science & Information Technology

Given the program, which of the following class member accesses are legal?

``` #include using namespace std; class DayOfYear { public: void input(); void output(); // other public members private: int month; int day; // other private members }; int main() { DayOfYear birthDay; birthDay.input(); // a) birthDay.day = 25; // b) cout << birthDay.month; // c) cout << birthDay.output(); // d) if(birthDay.month == 1) // e) cout << "January\n"; } ```

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Computer Science & Information Technology

Which of the following is the common port number for HTTP (WWW) using TCP?

A) 25 B) 23 C) 80 D) 53

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Computer Science & Information Technology

How many external virtual switches can be created if a server has three physical network adapter?

A. 1 B. 3 C. 6 D. 9

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Computer Science & Information Technology