What is WWW and its history?
Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989, while working at CERN. The Web was originally conceived and developed to meet the demand for automated information-sharing between scientists in universities and institutes around the world.
What are the main features of WWW?
What is www. mention its important features
- HyperText Information System.
- Cross-Platform.
- Distributed. Approximately 70 million active sites as of December 2007.
- Open Standards and Open Source. TCP/IP, HTTP, HTML, CSS.
- Web Browser: provides a single interface to many services.
- Dynamic, Interactive, Evolving.
Is Internet a WAN?
A wide area network (WAN) is a telecommunications network that extends over a large geographic area for the primary purpose of computer networking. Wide area networks are often established with leased telecommunication circuits. The Internet may be considered a WAN.
Do I need WAN for WiFi?
The WAN port on your router is the uplink to the Internet. It is used to connect to your modem which in turn allows you to connect to the Internet. Unless you access the Internet via a telephone link, without a WAN connection there will be no Internet connectivity.
Is Wan faster than LAN?
LAN is a computer network that covers a small geographic area, like a home, office, or group of buildings, while WAN is a computer network that covers a broader area. The speed of LAN is high whereas the speed of WAN is slower than LAN. LAN offers more fault tolerance but WAN offers less fault tolerance in WAN.
What is a disadvantage of LAN?
High Setup Cost: The initial setup costs of installing Local Area Networks is high because there is special software required to make a server. Privacy Violations: The LAN administrator can see and check personal data files of each and every LAN user. …
Is LAN faster than WIFI?
Ethernet is almost always faster than Wi-Fi If you want a fast connection, you should consider connecting as many of your devices as possible to Ethernet. You can compare Wi-Fi and Ethernet speeds by running a quick speed test using both connections. You’ll almost certainly find the Ethernet connection to be faster.
What is the difference between LAN and WAN in points?
A LAN (local area network) is a group of computers and network devices connected together, usually within the same building. A WAN connects several LANs, and may be limited to an enterprise (a corporation or an organization) or accessible to the public. The technology is high speed and relatively expensive.
What are the 2 types of LAN networks?
In general, there are two types of LANs: client/server LANs and peer-to-peer LANs. A client/server LAN consists of several devices (the clients) connected to a central server.
Can Wan Man?
Even larger than a CAN, a MAN is a metropolitan area network. These can cover an area as large as a city, linking multiple LANs through a wired backhaul. An example of a MAN would be a citywide WiFi network.
Is VPN WAN or LAN?
VPNs are built on top of a publicly-accessible infrastructure, such as the Internet or the public telephone network. They use some form of encryption and have strong user authentication. Essentially a VPN is a form of WAN; the difference is their ability to use public networks rather than private leased lines.