The most popular type of wireless network is called _____.

A. Bluetooth
B. Ethernet
C. VPN
D. Wi-Fi


Answer: D

Computer Science & Information Technology

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Which of the following segments is a proper way to call the method readData four times?

a. ``` double k = 0.0; while (k != 4) { readData(); k = k + 1; } ``` b. ``` int i = 0; while (i <= 4) { readData(); i = i + 1; } ``` c. ``` int i = 0; while (i < 4) { readData(); } ``` d. ``` while (i < 4) { readData(); i = i + 1; } ```

Computer Science & Information Technology

Which of the following is not a dependent statement indentation rule?

A. Use comments on each line of code to further explain it. B. Indent statements that are dependent on previous statements. C. Align else statements with their corresponding if statements. D. Align the braces in a block of code. E. Align all code on the same level, that is, code that is dependent on the same control statement.

Computer Science & Information Technology

____ is defined as the speed or rate with which the DBMS supplies information to the user.

A. Data optimization B. Database performance C. Database tuning D. Data analysis

Computer Science & Information Technology

If e-mail messages have a return address of someone other than the person actually sending the e-mail, then the sender is ____.?

A. ?e-mail bombing B. ?spoofing C. ?smurfing D. ?firewalling

Computer Science & Information Technology