In 2005, the one billionth Internet user logged on to the World Wide Web. Hundreds of thousands of new users log in for the first time each week. It is estimated that the 2 billion user mark will be reached in less than 10 years from now. There is no question that the World Wide …
The OSI Model was created based on recommendations from the International Organization for Standardization (ISO) in 1980, which started expanding on the DoD model in the late 1970s. The current standard was published in 1996. The official title for the model is the ISO OSI (Open Systems Interconnection) Reference Model since it describes or relates …
ATM (Asynchronous Transfer Mode) is a technological system developed for both local and wide area networks (LAN and WAN), and designed to handle data as well as video and voice traffic in real time, all at the same time. The system architecture makes use of switches that set up logical circuits at both ends of …
The Linksys network router is one of the most popular home and office networking pieces of equipment sold by Cisco. The company has produced Linksys routers supporting the latest version of the 802.11 standard for more than a decade with the most current models capability of supporting the 802.11N standard supporting extremely high throughput for …
802.11a is one of the many standards used for high speed wireless networks, usually referred to as Wifi. This standard was created by the IEEE (Institute of Electrical and Electronics Engineers) in 1999 and uses several different frequencies including 5.15-5.35/5.47-5.725/5.725-5.875 GHz to send and receive data from one electronic or computer device to another. There …
A Denial of Service (DoS) attack is one that attempts to prevent the victim from being able to use all or part of his/her network connection. A denial of service attack may target a user to prevent him/her from making outgoing connections on the network. It may also target an entire organization to either prevent …
Computers are the basis for both modern technology and modern society. The world of today thrives on information and getting that information from one place to another is crucial to survival. Even in one’s own home, multiple computers must be able to communicate with one another and other devices. This may seem like a daunting …
An FQDN, or Fully-Qualified Domain Name, is a domain name that specifies the exact location of a webpage. An example of an FQDN, would be “https://www.tech-faq.com/”, in which “com” is used to specify the root domain that Tech-FAQ is hosted on, “www” specifies the hostname, and “http” specifies the transfer protocol. While an FTP or …
Wireless networking has grown from only being a tool employed by academia and Fortune 500 companies to being deployed in locations such as McDonald’s, Starbucks, and gas stations for free consumer use over the past decade. Consumers can install a wireless network in the home for minimal cost today, and many home theater set-top boxes …
The SSID (Service Set IDentifier) is a name that identifies a specific 802.11 wireless network. The name is set by the network administrator who configures the router. Some vendors refer to the SSID simply as the “network name.” The SSID is the name of the wireless network and should not be confused with the host …