Types of network

1. PRESENTATION OF NETWORKING
Topic:
Types of Network

2. What is computer network ?
• A computer network consists of two or more computers
that are connected together to share information and
resources .
• Resources include:
• Printers
• Hard disks
• Scanners
• Programs etc.

3. Examples of computer network
• Computer can be used in office
• Internet

4. Types of computer network
1. LAN
2. WAN
3. MAN

5. Local area network:
1. It is a most common type of network.
2. It is small area network
3. Connect to the computer to other devices within a
building or group of building

7. 4. Transmit data at very speed
speeds of LAN are typically from 10mbps to
1000mbps.
5. It transmit data in limited distance.
EXAMPLE
Network in a computer lab of college

8. Advantages
• Resource sharing
• Communication
• Centralized data
• Internet access sharing
• Data security & management

9. Disadvantages
• Privacy threat
• Expensive to install
• Data security concerns

10. WIDE AREA NETWORK:
 It covers a large area network
 It connect to gather device within in different cites and countries
 computer inWAN are often connected through telephone line
 It is expensive than LAN
 WAN is largest in world
 Larger computer is know as host computer

12. Example:
 Network connected NADRA office cites in Pakistan
 Network connected the ATM of a bank located in different cites

14.  Communication facility
 Centralized data
 Entertainment
Advantages

16. WAN network is more complicated and
complex.
Hardware , software & setup cost
Hardware & software management cost
Data security concerns
Disadvantages :

17. Metropolitan Area Network
• This type of network covers an area of a city
• MAN is larger than LAN but smaller than WAN
• It is usually used to connect two or more LANs in a city
or town

19. Examples
• Cable TV network in a city
• The network connecting different campuses of a college
in a city

20. Advantages
• It provides higher data speed than LAN
• MAN covers a larger area than LAN

21. Disadvantages
• It is more expensive than LAN
• It is difficult to maintain as compared to LAN