Network Administration Includes Hardware and Software Maintenance, Support, and Security.

What is a Computer Network?

A Calculator Network is a group of two or more interconnected figurer systems that use common connexion protocols for sharing various resources and files. You tin establish a computer network connection using either cable or wireless media. Every network involves hardware and software that connects computers and tools.

In this Computer networking tutorial, yous will acquire:

What is a Estimator Network?
Different Types of Computer Networks
What is PAN (Personal Area Network)?
What is a LAN (Local Surface area Network)?
What is WAN (Wide Expanse Network)?
What is Man (Metropolitan Expanse Network)?
Other Types of Estimator Networks

Different Types of Reckoner Networks

There are diverse types of Figurer Networking options bachelor. The classification of network in computers tin can be done according to their size as well every bit their purpose.

The size of a network should exist expressed by the geographic area and number of computers, which are a part of their networks. Information technology includes devices housed in a unmarried room to millions of devices spread across the world. Following are the popular types of Reckoner Network:

Some of the near popular computer network types are:

PAN (Personal Area Network)
LAN (Local Area Network)
MAN (Metropolitan Area Network)
WAN (Wide Area Network)

Permit's report all of these types of networking in detail.

What is PAN (Personal Area Network)?

PAN (Personal Area Network) is a computer network formed around a person. It generally consists of a computer, mobile, or personal digital banana. PAN can be used for establishing communication among these personal devices for connecting to a digital network and the cyberspace.

Characteristics of PAN

Below are the main characteristics of PAN:

It is mostly personal devices network equipped within a limited expanse.
Allows y'all to handle the interconnection of It devices at the surrounding of a single user.
PAN includes mobile devices, tablet, and laptop.
Information technology tin be wirelessly connected to the internet called WPAN.
Appliances use for PAN: cordless mice, keyboards, and Bluetooth systems.

Advantages of PAN

Hither are the important pros/benefits of PAN network:

PAN networks are relatively secure and safe
It offers only curt-range solution up to 10 meters
Strictly restricted to a minor area

Disadvantages of PAN

Here are the cons/drawbacks of using PAN network:

It may institute a bad connection to other networks at the aforementioned radio bands.
Altitude limits.

What is a LAN (Local Area Network)?

A Local Area Network (LAN) is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building. Information technology is a widely useful network for sharing resources like files, printers, games, and other application. The simplest blazon of LAN network is to connect computers and a printer in someone's home or part. In general, LAN volition be used as one type of transmission medium. Information technology is a network which consists of less than 5000 interconnected devices across several buildings.

Characteristics of LAN

Here are the important characteristics of a LAN network:

It is a private network, so an outside regulatory body never controls information technology.
LAN operates at a relatively higher speed compared to other WAN systems.
There are various kinds of media access control methods like token ring and ethernet.

Advantages of LAN

Hither are the pros/benefits of LAN:

Computer resources like difficult-disks, DVD-ROM, and printers can share local area networks. This significantly reduces the price of hardware purchases.
Y'all can employ the same software over the network instead of purchasing the licensed software for each client in the network.
Information of all network users can be stored on a single hard disk of the server computer.
Yous can easily transfer information and letters over networked computers.
It will be easy to manage data at only one place, which makes data more secure.
Local Area Network offers the facility to share a unmarried internet connection among all the LAN users.

Disadvantages of LAN

Here are the cons/drawbacks of LAN:

LAN volition indeed save cost because of shared computer resource, but the initial cost of installing Local Area Networks is quite high.
The LAN admin can bank check personal information files of every LAN user, so it does non offering good privacy.
Unauthorized users tin access critical data of an system in example LAN admin is not able to secure centralized data repository.
Local Area Network requires a constant LAN assistants as there are issues related to software setup and hardware failures

What is WAN (Wide Expanse Network)?

WAN (Wide Expanse Network) is another important computer network that which is spread beyond a big geographical area. WAN network system could be a connection of a LAN which connects with other LAN'southward using telephone lines and radio waves. It is generally express to an enterprise or an organization.

Characteristics of WAN

Below are the characteristics of WAN:

The software files volition be shared among all the users; therefore, all can admission to the latest files.
Whatever organization can class its global integrated network using WAN.

Advantages of WAN

Here are the benefits/pros of WAN:

WAN helps you to embrace a larger geographical expanse. Therefore business offices situated at longer distances tin easily communicate.
Contains devices similar mobile phones, laptop, tablet, computers, gaming consoles, etc.
WLAN connections work using radio transmitters and receivers built into client devices.

Disadvantages of WAN

Here are the drawbacks/cons of WAN network:

The initial setup cost of investment is very high.
It is difficult to maintain the WAN network. Y'all need skilled technicians and network administrators.
There are more errors and issues because of the wide coverage and the use of different technologies.
It requires more time to resolve bug because of the involvement of multiple wired and wireless technologies.
Offers lower security compared to other types of network in computer.

Also Cheque: LAN vs WAN: What'south the Difference?

What is Homo (Metropolitan Area Network)?

A Metropolitan Expanse Network or Man is consisting of a computer network beyond an unabridged city, higher campus, or a minor region. This type of network is large than a LAN, which is mostly limited to a single building or site. Depending upon the type of configuration, this type of network allows yous to cover an area from several miles to tens of miles.

Characteristics of Man

Hither are important characteristics of the MAN network:

It generally covers towns and cities in a maximum 50 km range
Mostly used medium is optical fibers, cables
Information rates adequate for distributed computing applications.

Advantages of MAN

Here are the pros/benefits of Human network:

It offers fast communication using loftier-speed carriers, like fiber optic cables.
It provides excellent back up for an extensive size network and greater access to WANs.
The dual jitney in MAN network provides back up to transmit data in both directions concurrently.
A MAN network by and large includes some areas of a city or an entire metropolis.

Disadvantages of MAN

Here are drawbacks/cons of using the MAN network:

Y'all need more cable to establish MAN connectedness from one place to another.
In Human being network it is tough to make the system secure from hackers

Other Types of Computer Networks

Apart from higher up mentioned estimator networks, here are some other important types of networks:

WLAN (Wireless Local Area Network)
Storage Expanse Network
System Area Network
Abode Expanse Network
POLAN- Passive Optical LAN
Enterprise private network
Campus Area Network
Virtual Expanse Network

Let's see all these different types of networks in detail:

1) WLAN

WLAN (Wireless Local Area Network) helps you to link unmarried or multiple devices using wireless communication within a limited area like home, schoolhouse, or role building. It gives users an ability to move around within a local coverage area which may be continued to the network. Today nigh modern twenty-four hours's WLAN systems are based on IEEE 802.11 standards.

2) Storage-Area Network (SAN)

A Storage Area Network is a type of network which allows consolidated, block-level information storage. It is mainly used to make storage devices, like disk arrays, optical jukeboxes, and tape libraries.

iii) System-Area Network

Organisation Area Network is used for a local network. It offers loftier-speed connectedness in server-to-server and processor-to-processor applications. The computers connected on a SAN network operate as a single system at quite loftier speed.

4) Passive Optical Local Surface area Network

POLAN is a networking technology which helps y'all to integrate into structured cabling. It allows you lot to resolve the issues of supporting Ethernet protocols and network apps.

POLAN allows you to use optical splitter which helps you to divide an optical signal from a single-fashion optical cobweb. Information technology converts this unmarried point into multiple signals.

five) Home Area Network (HAN):

A Home Area Network is e'er congenital using 2 or more interconnected computers to grade a local area network (LAN) within the home. For example, in the United States, about fifteen meg homes take more than than one calculator.

These types of network connections assist estimator owners to interconnect with multiple computers. This network allows sharing files, programs, printers, and other peripherals.

6) Enterprise Private Network :

Enterprise individual network (EPN) networks are build and endemic by businesses that want to securely connect numerous locations in order to share various figurer resources.

seven) Campus Area Network (CAN):

A Campus Surface area Network is made up of an interconnection of LANs inside a specific geographical surface area. For instance, a university campus tin can be linked with a diversity of campus buildings to connect all the academic departments.

8) Virtual Individual Network:

A VPN is a individual network which uses a public network to connect remote sites or users together. The VPN network uses "virtual" connections routed through the internet from the enterprise'south individual network or a third-party VPN service to the remote site.

It is a gratuitous or paid service that keeps your web browsing secure and individual over public WiFi hotspots.

Summary

Types of connections in computer networks can be categorized co-ordinate to their size every bit well equally their purpose
PAN is a computer network which generally consists of a figurer, mobile, or personal digital assistant
LAN (Local Area Network) is a grouping of figurer and peripheral devices which are connected in a express area
WAN (Wide Surface area Network) is some other important computer network that which is spread across a large geographical area
A metropolitan area network or Human being is consisting of a computer network across an entire city, college campus, or a modest region
WLAN is a wireless local area network that helps yous to link single or multiple devices using. It uses wireless communication within a limited area like home, school, or office building.
SAN is a storage area network is a blazon of network which allows consolidated, block-level data storage
Organisation surface area network offers high-speed connection in server-to-server applications, storage area networks, and processor-to-processor applications
POLAN is a networking applied science which helps yous to integrate into structured cabling
Dwelling house network (HAN) is a e'er congenital using 2 or more interconnected computers to form a local surface area network (LAN) within the home
Enterprise private network (EPN) networks are build and owned by businesses that desire to securely connect various locations
Campus surface area network (CAN) is made up of an interconnection of LANs in a specific geographical expanse
A VPN is a private network which uses a public network to connect remote sites or users together
What does LAN stand for? – LAN stands for Local Area Network.
What is the difference between LAN and WAN? – LAN is a computer network that covers a small geographic area, like a habitation, office, or grouping of buildings, while WAN is a estimator network that covers a broader area.