Case Study about Chapter 6

Advanced Research Projects Agency Network

The main pathway of high-speed communications lines over which all Internet traffic flows.

Backbone links and routers

NSP equipment and links

Is a company that offers Internet access to individuals, businesses, and smaller ISPs

Is the primary protocol suite responsible for message transmission on the Internet

Permanent IP Address

Temporary IP Adress

Is a key component of Web page addresses and e-mail addresses

The Elapsed time for data to make a round trip from point A to point B back to Point A

When upstream speeds differ from downstream speeds

When upstream and downstream speeds are the same

A fixed Internet connection that uses a voiceband modem and telephone lines

converts the signals from your computer into audible analog signals that can travel over telephone lines

is a high-speed, digital, always-on Internet access technology that runs over standard phone lines

Is a means of distributing always-on broadband Internet access.

convert your computer's signal into one that can travel over the CATV network

distributes always-on, high- speed asymmetric Internet

is a device that modulates data signals from a computer into a frequency band

broadcasts data signals in order to offer Internet access to large areas

is the ability to easily move your Internet service from one location to another

offers a continuous Internet connection as you are walking or riding in a bus, car, train, or plane

is an area in which the public can access a Wi-Fi network that offers Internet service

cellular service providers offer data services

is a brand name for a compact, mobile, wireless router offered by Novatel Wireless

Depends on a grid of servers, storage devices, and protocols that offer Internet-accessible computing services

Allows people to exchange short messages while they are online

is a technology in which a broadband Internet connection is used to place telephone calls instead of the regular phone system

Web-based online discussion site where participants post comments to discussion threads

allows participants to modify posted material

is similar to an online diary; it is maintained by a person, company or organization and contains a series of entries on one or more topics.

is a short message of 140 characters or less, posted to the Twitter Web site

s a network of computers harnessed together to perform processing tasks

allows users to obtain files from other users located anywhere on the Internet

is a file sharing protocol that distributes the role of file server across a collection of dispersed computers

is any access to data or programs by hackers, criminals, or other unauthorized persons

is the doorway that allows a computer to exchange data with other devices

uses automated software to locate computers that have open ports

is software or hardware designed to filter out suspicious packets attempting to enter or leave a computer

are intended to work within LANs to monitor and direct packets being transported from one device to another

is one that can be accessed by packets on the Internet

is a non-routable IP address that can be used within a LAN, but not for Internet data transport

is the process your router uses to keep track of packets

access to a remote access server in the corporate office