A single hexadecimal number is represented by ________ digits in the binary numbering system

A company needs the ability to run a network that can handle 30Mbps datatransfer speeds but also needs to keep the cost of installing the network down. Which of the following cable types would BEST meet the company's needs?

A. CAT6 B. CAT3 C. CAT5e D. CAT1

If the arguments to a Substring method call are out of range, a(n) ____________ exception is thrown.

Fill in the blank(s) with the appropriate word(s).