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It has two main functions: host or network interface identification and location addressing. IP Bandwidth is generally in bits per second (bps) or Bytes per second (Bps), Kilobytes per second
addresses are written and displayed in human-readable notations, such as 172.16.254.1. (Kbps) and Megabytes per second (Mbps). There can be various types of bandwidth which are
network bandwidth, data bandwidth, or digital bandwidth.
DNS
A Domain Name System (DNS) is a naming system for assigning names to the computers,
services, or other resources connected to the network. This name is known as a domain name. TYPES OF NETWORKS
For example, the domain name in the www.yahoo.co.in URL is yahoo.co.in. This domain name is Networks can be classified on the basis of their size, complexity and the geographical area covered
internally converted into IP address. by them. Let us understand these categories in detail.
WEB PAGE PERSONAL AREA NETWORK (PAN)
A single digital page on the World Wide Web (WWW) that contains information and links to other PAN refers to the privately-owned network. Pan is used to
pages is called a web page. Web pages are created by using the HyperText Markup Language establish communication amongst the computers within the
(HTML). range of 20 to 30 feet. This type of network can be wired or
wireless.
WEBSITE
A website is a collection of web pages which are interlinked to each other. A website may contain
thousands of web pages. LOCAL AREA NETWORK (LAN)
Workstation
LAN is a digital communication system that interconnects a larger
WEB PORTAL Server number of computers and other peripheral devices within a radius of
A website that is specifically designed to provide a single point of access for information is called less than 1 km. This type of network is useful when you want to connect
a web portal. Web portals are also known simply as portals. The major difference between a two different departments in a building (e.g. an office, a building or
website and a web portal is that a portal works as a gateway to WWW and provides several a factory). The hardware as well as software resources are shared
services. On the other hand, a website may provide only some limited services. through LANs. Your school lab is an example of a LAN.
HYPERTEXT
CAMPUS AREA NETWORK (CAN)
The text that has a special feature of connecting one web page to another is called hypertext.
CAN connects two or more LANs that are limited to Campus
Area
LINK specific geographical areas. For example, a college Network
campus, office building, etc. A campus area network is
A link can be defined as a web address that is used to make connectivity between web pages.
larger than LAN since it may span multiple buildings
HYPERLINK within a specified area.
A hyperlink is simply a part of the Web page that is linked to a URL. A hyperlink can appear as
text, an image, or a navigational tool such as a button or an arrow. When you click on a hyperlink, METROPOLITAN AREA NETWORK (MAN)
you will jump to the URL specified by the hyperlink. Hyperlinked text usually looks different from LAN LAN MAN consists of two or more local area networks or campus
the normal text on a Web page. It is often underlined but can be formatted in a number of ways. area networks together that usually spans several buildings
in the same city or town. It covers an area ranging from 10
BANDWIDTH
to 100 km. For example, the Internet services provided to
The capability of a transmission medium to transmit the maximum amount of data from one users in a city or the ATM network of any area fall under
computer to another over a computer network in a given amount of time is called bandwidth. LAN MAN.
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