In a multicolumn table, the numbers displayed on the ruler change as you click from one column to another to reflect each column's width

Which of the following cable types has the shortest maximum cable run length?

A. Singlemode fiber B. Coaxial C. Plenum D. CAT3

memcmp would return ___________ for the call memcmp ("Hi, how are you?", "Hi, how are things?" 6).

a. 1 b. A positive number. c. 0 d. A negative number.