Events which can travel up or down the container hierarchy are called ______.

If a do…while statement is used,

a) an infinite loop will not take place b) the counter must be preincremented if it’s also the condition c) the body of the loop will execute at least once d) an off-by-one error will not occur

Referring to the accompanying figure, which of the following callouts points to the wired network port?

A. A B. B C. C D. D