The job name, step name, or DD name is chosen by the programmer using a combination of from 1 to __________ letters, digits, or national characters (@, $, #).

________ is a type of Internet connection with average speeds of 384 Kbps to 20 Mbps

A) FTTH B) Satellite Internet access C) Cable Internet access D) DSL

The regular expression pattern for a character class is _____.

A. *chars* B. [chars] C. (chars) D. /chars/