Exam 6: Business Networks and Telecommunications

Telephone,e-mail,the World Wide Web-none of these essential business services would be available without fast,reliable ____________________.

People sitting in conference rooms thousands of miles apart are brought together by their transmitted images and speech in what is called ____________________.

To provide DSL service,the telecommunications company connects your telephone line to a DSL bridge (often called a DSL modem).

Which are the main types of communications media?

A(n)____________________ usually links multiple LANs within a large city or metropolitan region and typically spans a distance of up to 50 kilometers (about 30 miles).

Radio frequency identification (RFID)technology enables us to conclude transactions and to make payments quickly.

IEEE 802.16,Worldwide Interoperability for Microwave Access (WiMAX),increases the range and speed of wireless communication.