Computer Networks:

Physical Layers
Data link Layer(DLL)

Network Layer

Transport Layer:

Session and Presentation Layer:

Application Layer:

 
types of network
Network Topology

Difference between LAN, MAN, WAN

LAN

MAN

WAN

Local area network

Metropolitan Area Network

Wide area network

Local area network connected computer network within a Limited area, Like school building

Larger than the LAN and smaller than the WAN.

FOR City or small area network

It is even larger than the geographical area
4 states or countries

Local area networks are easier to design and maintain

It is complicated to design and maintains

It is complicated to design and maintain

The local area network has a high data speed

MAN has medium data speed

Low data speed

It ranges from 1 to 10 km

Its range within hundred kilometers

bound 100km
less congestion more congestion more congestion than LAN and MAN
 private owned.private or public owned. private or public owned. 
Types of Network
Network Topology

Computer Networks:

Physical Layers
Data link Layer(DLL)

Network Layer

Transport Layer:

Session and Presentation Layer:

Application Layer: