Which of the following is port 123 commonly used for?

A. IMAP4
B. HTTPS
C. NTP
D. DNS

Answer: C. NTP

Computer Science & Information Technology

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The person who actually runs a computer program is called a

(A) user. (B) customer. (C) client. (D) tester. (E) runner.

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Which runlevel shuts down Linux and powers off the computer?

A. zero B. one C. four D. five

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____________________ websites adjust or modify the page content to fit the user's needs and device type used to view the site.

Fill in the blank(s) with the appropriate word(s).

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In the e-mail address shown in the accompanying figure, the component numbered 3 is known as the location name.

Answer the following statement true (T) or false (F)

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