The most popular type of wireless network is called _____.
A. Bluetooth
B. Ethernet
C. VPN
D. Wi-Fi
Answer: D
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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; } ```
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.
____ 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
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