Type 1 (function based)
As far as functional classifications are concerned , networks can be divided into 3 categories.1) DATA network - transmits data.
2) VOICE network - transmits voice.
3) MULTIMEDIA network - transmits voice, images and video.
Type 2 (data forward based)
It has again got 3 categories
1) SWITCHED network - point to point network.
2) SHARED network - using a hub network.
3) HYBRID network - combination of switched and shared networks.
Type 3 (ownership based)
Networks are classified in 4 categories on the basis types of owners.
1) PUBLIC network - used by all.
2) PRIVATE network - used by particular groups.
3) VIRTUAL PRIVATE network (VPN) - public network is used for private network access.
4) LEASED network - has dedicated leased lines .
