SMTP uses ________ to direct the mail via DNS. It runs on TCP port 25.

A. Mail Exchange (MX) servers
B. cache files
C. virtual databases
D. NTP servers


Answer: A. Mail Exchange (MX) servers

Computer Science & Information Technology

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Which statement will generate random numbers between 0 and 12?

A. rand(12) B. srand(12) C. rand()%13 D. srand()%13

Computer Science & Information Technology

Based on the dangling-else discussion, state the output for each of the following code segments when x is 9 and y is 11 and when x is 11 and y is 9. We eliminated the indentation from the following code to make the problem more chal- lenging. [Hint: Apply the indentation conventions you’ve learned.]

``` if (x < 10) if (y > 10) System.out.println("*****"); else System.out.println("#####"); System.out.println("$$$$$"); ```

Computer Science & Information Technology

If you need to add an image or information to every slide in a presentation, you should add it to the slide master

Indicate whether the statement is true or false

Computer Science & Information Technology

When worksheets are grouped which of the following actions will NOT occur across all worksheets?

A) Structural changes B) Conditional formatting C) Formatting D) Data entry

Computer Science & Information Technology