How many possible fields can be contained in an IPv4 header?

A. 14
B. 15
C. 19
D. 21

Answer: A

Computer Science & Information Technology

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Classes which may be instantiated are ___________ classes.

a) instance b) concrete c) abstract d) None of the above

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The horizontal axis is also known as the y-axis.

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

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The most widely used character encoding standard today is ________.

A. CISC B. ASCII C. Unicode D. EBCDIC

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When writing a script which statement allows you to avoid creating an endless loop in your script?

A. count B. while C. bin D. do

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