Overview of Networks
a group of two or more computers connected so they can communicate, share resources and exchange information.
What is a Network?
A vast network of LANs and WANs that electronically connects millions of people worldwide.
What is the Internet?
Six elements are required to connect to the internet; the first 3 items are generally acquired when you buy one of these.
What is a computer?
The protocol by which data is sent from one computer to another on the Internet.
What is Internet Protocols?
A system that maps uniquely hierarchical names to specific Internet addresses.
What is Domain Name System or DNS?
A group of computers connected within a confined geographic area.
What is a LAN?
Private telecommunications companies developed their own high-speed data lines.
What is a Backbone?
An organization that provides access to the Internet.
What is an Internet Service Provider?
A flexible addressing system powerful enough to accommodate the enormous number of current and future users. Also referred to as "dotted squad".
What is Internet Protocol version 4 or IPv4?
An IP address represented in words.
What is a Domain Name?
Many networks are structured using the client/server model, in which individual computers and devices interact with one another through a central server.
What is the Client/Server model?
Backbones used the same protocols as NSFnet and connected to it through these.
What is a Gateway?
Abbreviation for Modular/Demodulator.
What is a Modem?
The protocol for transporting HTML documents across the Internet.
What is HTTP or Hypertext Transfer Protocol?
A computer that other computers can use to gain information. In network architecture, a host is a client or workstation.
What is a Host?
Any entity on a network that can be managed, such as a system, repeater, router, gateway, switch or firewall.
What is a Node?
It was created in 1989 at the European Particle Physics Laboratory in Geneva, Switzerland.
What is the World Wide Web?
Mobile devices can receive high-speed broadband Internet access from anywhere fourth generation phone networks are provided.
What is 4G?
A TCP/IP suite protocol that enables the transfer of files between two computers on the internet.
What is File Transfer Protocol or FTP?
A server that resolves domain names into IP addresses.
A group of computers connected over an expansive geographic area so their users can share files and services.
What is a WAN?
Software applications that enable users to easily access, view and navigate Web pages on the Internet.
What are Web Browsers?
A highspeed connection that uses digital phone lines and an xDSL modem.
What is Digital Subscriber Line or DSL?
You receive mail from an incoming mail server using one of two possible programs.
Top Level Domains are domains that are categorized by a common topic. The most popular one is for commercial or company sites.
What is .com? Or Dot Com?