Types of networkings

NETWORKING


NETWORKING : - IT IS CONNECTIVITY BETWEEN MULTIPLE COMPUTERS , WHERE THEY CAN SHARE INFORMATION AND RESOURCES.



TYPES OF NETWORKS

THERE ARE 2 TYPES OF NETWORKS : -

1. PHYSICAL NETWORKS : - BASED ON DISTANCES

2. LOGICAL NETWORKS : - BASED ON LOGICAL CONNECTIONS.



1. PHYSICAL NETWORKS : -



A. LAN : - LOCAL AREA NETWORK METER DISTANCE IS { 10 TO 100 MTS }.

B. MAN : - METRO POLITAN AREA NETWORK METER DISTANCE IS { 200 TO 500 KMTS }.

C. WAN : - WIDE AREA NETWORK ( INTERNET ) { COUNTRY TO COUNTRY }.

D. CAN : - CAMPUS AREA NETWORK.

E. DIAL – UP NETWORK : - CONNECTION THROUGH TELEPHONE LINE.

F. DIRECT CABLE – NETWORK : - CONNECTION THROUGH OFC CABLE.

G. ISDN ( INTEGRATED SERVICE DIGITAL NETWORK ) : - WIRELESS MODEM.




2. LOGICAL NETWORKS : -



1. PEER TO PEER NETWORK.

2. CLIENT SERVER NETWORK.

3. HYBRID NETWORKS.


1. PEER TO PEER NETWORK : -

A. IT IS ALSO CALLED WORK GROUP NETWORK. IT IS A LOGICAL CONNECTION OF NETWORK COMPUTER WHERE NO CENTRALIZED ADMINISTRATION IS POSSIBLE.

B. ALL COMPUTERS HAVE SAME STATUS.

C. NO PERMISSIONS AND SECURITY IS AVAILABLE , COMPUTER CONTROL FROM ONE ANOTHER COMPUTERS.

D. VERY EASY TO ESTABLISH THE NETWORK.




2. CLIENT – SERVER NETWORKS : -




A. IT IS ALSO CALLED AS DOMAIN MODEL.

B. DOMAIN : IT IS A LOGICAL GROUP OF NETWORK COMPUTERS WHERE CENTRALIZED ADMINISTRATION IS POSSIBLE.

C. ALL COMPUTERS TOGETHERE IS KNOWN AS DOMAIN.

D. DOMAIN CONTROLLER : IT IS A NETWORK O/S WHERE CENTRALIZED
ADMINISTRATION IS POSSIBLE.



E. DOMAIN CLIENT : IT IS A CLIENT BASED O/S , WHICH ACCESS INFORMATION FROM DOMAIN CONTROLLER.

F. MORE SECURITY AND PERMISSIONS AVAILABLE.

G. VERY TOUGH TO MAINTAIN.


3. HYBRID NETWORK : -



A. IT IS A COMBINATION OF PEER TO PEER NETWORK AND CLIENT – SERVER NETWORK.