A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications. Show
A computer network can be categorized by their size. A computer network is mainly of four types:
LAN(Local Area Network)
PAN(Personal Area Network)
There are two types of Personal Area Network:
Wireless Personal Area Network: Wireless Personal Area Network is developed by simply using wireless technologies such as WiFi, Bluetooth. It is a low range network. Wired Personal Area Network: Wired Personal Area Network is created by using the USB. Examples Of Personal Area Network:
MAN(Metropolitan Area Network)
Uses Of Metropolitan Area Network:
WAN(Wide Area Network)
Examples Of Wide Area Network:
Advantages Of Wide Area Network:Following are the advantages of the Wide Area Network:
Disadvantages of Wide Area Network:The following are the disadvantages of the Wide Area Network:
Internetwork
Types Of Internetwork:1. Extranet: An extranet is a communication network based on the internet protocol such as Transmission Control protocol and internet protocol. It is used for information sharing. The access to the extranet is restricted to only those users who have login credentials. An extranet is the lowest level of internetworking. It can be categorized as MAN, WAN or other computer networks. An extranet cannot have a single LAN, atleast it must have one connection to the external network. 2. Intranet: An intranet is a private network based on the internet protocol such as Transmission Control protocol and internet protocol. An intranet belongs to an organization which is only accessible by the organization's employee or members. The main aim of the intranet is to share the information and resources among the organization employees. An intranet provides the facility to work in groups and for teleconferences. Intranet advantages:
Which of the following is a network that covers a small area such as a group of buildings or campus?A Local Area Network (LAN) is a network that is confined to a relatively small area. It is generally limited to a geographic area such as a writing lab, school, or building.
What organization coordinates applications for new TLDs?The Internet Corporation for Assigned Names and Numbers (ICANN), is the entity that coordinates domains and IP addresses for the internet. Historically, TLDs represented the purpose and type of domain or the geographical area from which it originated.
What is a unique text based Internet address corresponding to a computer's unique IP address called?The Domain Name System (DNS) is one of the foundations of the internet, working in the background to match the names of web sites that people type into a search box with the corresponding IP address, a long string of numbers that no one could be expected to remember.
Is a private network within an organization?An intranet is a private network contained within an enterprise that is used to securely share company information and computing resources among employees. An intranet can also be used for working in groups and teleconferences. Intranets encourage communication within an organization.
|