Ali Is Researching Communication Hardware for Her Intro to Networking

Multiple Choice

Ali is researching communication hardware for her Intro to Networking class so that she can write a report for her instructor. Ali learns that all of the following are true, EXCEPT: ____.

A) a cable modem can be connected directly to your computer, enabling you to connect to the Internet.
B) DSL modems are widely used to provide broadband Internet access.
C) T-1 lines can be used to transmit 25 digitized voice channels.
D) sniffer software devices are usually external devices, not built-in.