Exam 6: Business Networks and Telecommunications

Bluetooth is considered a _________technology,because it typically supports a network used by only one person.

In the context of data communications,a(n)_________ is a combination of devices or nodes connected to each other through a communication medium.

A_________ line is made of 24 channels (groups of wires) of 64 Kbps each.

Which are the main types of communications media?

A _________can be thought of as a "tunnel" through the Internet or other public network that allows only authorized Users to access company resources.

Organizations avoid telecommunications because these increase costs and office space.

_________span a greater distance than LANs and usually have more complicated networking equipment for midrange communications.

Telecommunications has made business processes less efficient.

Light is not susceptible to EMI (electromagnetic interference) and _________,which is why fiber optic communication is much less prone to error than twisted pair and radio transmission.

Which of the following statements is true about radio frequency identification tags?

The term_________ is associated with a high-speed networking connection,which is required for fast transmission of large files and multimedia material.

The Greek word tele,which means " _________," is part of such words as "telephone," "teleconference," and other words referring to technologies that allow communications over large distances.

The "virtual" in_________ refers to the illusion that the user is accessing a private network directly,rather than through a public network.

The speeds of transmitting into a network are referred to as _________speeds.

The simplest WAN is a satellite linkup between LANs in two different countries.

A peer-to-peer LAN is one in which no central device controls communications.

What is a modem and how does it work?

In office LANs,one computer is often used as a central repository of programs and files that all connected computers can use;this computer is called a(n) _________.

The important factors in choosing a networking medium are availability,current and potential bandwidth,and vulnerability to electromagnetic interference (EMI) or radio frequency interference (RFI).

The speed of receiving from a network is called_________ .