A syntax error will result if the control statements of a for loop are omitted.

When the Usenet News Service began operating, the only way to read or post articles to newsgroups was to install and run a software program called a ____.

A. ?news widget B. ?news catcher C. ?newsreader D. ?news group

?The _______________ command line program is a common way of examining network traffic, which provides records of network activity while it is running, and produce hundreds or thousands of records.

A. ?netstat B. ?ls C. ?ifconfig D. ?tcpdump