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Chapter: 11th Computer Applications : Chapter 9 : Introduction to Internet and Email

Types of Network

Depending upon geographical area covered by a network, it is classified as:

Types of Network

 

Depending upon geographical area covered by a network, it is classified as:

 

1.Local Area Network ( LAN ) 

2. Metropolitan Area Network ( MAN ) 

3.Wide Area Network ( WAN ) 

4. Personal Area Network( PAN ) 

5. Campus Area Network ( CAN ) 

6. Wireless Local Area Network ( W-LAN )

 

1. LAN – LOCAL AREA NETWORK 

Range : Upto 10 Km

Location : Refers to same office, same  building,  same  company and in same schools

Speed : Upto 10-100 Mbps


Advantages : Low Cost, Resource Sharing, Security

Disadvantages  :  Area  Covered Limited When number of nodes increases, performance Decreases

 

2. MAN – Metropolitan Area Network 

Range : 10 to 15 Miles

Location : MAN is a network designed to extend over an entire city

Speed : Upto 5 – 10 Mbps

Advantages : Wider than LAN

Disadvantages : Data rate is slow compared to LAN Cost higher than LAN


 

3. WAN – WideArea Network 

Range : Above 1000 Kms

Location : It Span entire countries and continents

Speed : Upto256 Kbps to 2 Mbps

Advantages : Large geographical Area

Disadvantages : Complicated and Complex. High Cost. Requires high Performance.Devices.

Low security. Cost higher than LAN


 

4. PAN – Personal Area Network

PERSONAL AREA NETWORK (PAN)

Range :Upto 100 meters

Location : Used for shorter distance, controlled by a single person within a single building

Speed : up to 250 Kbps

Advantages : Efficient, Cost effective and convenient. Controlled by a single person Hotspot may connect upto 8 devices


Disadvantages : Shorter distance upto 10 meters only. Data rate is low compared to other network

 

5 CAN – CampusArea Network

Range : Upto 5 Kms

Location : Larger than LAN, but smaller than MAN. University, school or small business, enterprise

Speed : 40 KB/s TO 1 MB/s

Advantages : Cost effective ,Wired or Wired Network, High BandwithMulti-departmental Network access

Disadvantages : Difficult to manage


 

6. WLAN – Wireless Local Area Network

Range : Upto 50 Kms

Location : Ranges from a single room to an entire campus Uses Wifi or Bluetooth, Radio waves


Speed : 1 Mbps to 54 Mbps

Advantages : Portable Installation is quick and easy

Disadvantages : Low Bandwith due to interference




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