Chapter 6 – The Internet

A network of high-capacity routers and fiber-optic communications links that provides the main routers for data traffic across he Internet

Ex. AT&T, British Telecom, Deutsche Telekom, Sprint, and Verizon

A company that offer Internet access to individuals, businesses, and smaller ISPs

Contains circuitry that converts the data-carrying signals from your computer to signals that can travel over various communications channels

The primary protocol suite responsible for message transmission on the Internet

A combination of protocols that work together

Breaks a message or file into packets

Responsible for addressing packets so that they can be routed to their destination

Permanently assigned

Temporarily assigned

Linked to your ISP and is online whenever your computer and modem are on, even if you are not actively accessing the Internet

Most Internet servers also have an easy-to-remember name, such as nike.com. A _________ is a key component of Web page addresses and e-mail addresses.

A domain name ends with an extension that indicates its _________.

Every domain name corresponds to a unique IP address that has been entered into a huge database called the ________.

Any computer that hosts this database is referred to as a ____________.

An organization called ______ is recognized by the United States and other governments as the global organization that coordinates technical management of the Internet's Domain Name System.

Rate of data that is uploaded from your computer to the Internet

Rate of data downloaded to your computer

Links your computer to an ISP from a stationary point, such as a wall socket or roofmounted antenna

Allows you to easily move your access device, as in the case of vehicle-mounted satellite dishes that can be deployed when the vehicle is parked.

Allows you to use the Internet as you are on the go, such as using a cell phone to collect your e-mail while you are travelling by train

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

A communications protocol that provides Internet access from handheld devices, such as cell phones

For the real Internet, cellular service providers offer data services, sometimes referred to as ___________.

Any access to data or programs by hackers, criminals, or other unauthorized persons.

The doorway that allows a computer to exchange data with other devices

The use of automated software to locate computers that have open ports and are vulnerable to unauthorized access

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

One that can be accessed by packets on the Internet

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

The process your router uses to keep track of packets and their corresponding private or public IP addesses

Sales representatives and telecommuters often access corporate networks from home or from a customer's office by using a secured connection called a __________.