IMAGE of TOPOLOGY

RING TOPOLOGY


MESH TOPOLOGY


STAR TOPOLOGY


BU S TOPOLOGY


TREE TOPOLOGY



"OSI REFERENCE MODEL"


APPLICATION LAYER : This layer deal with networking application.[all application involve]

PRESENTATION LAYER : This layer is responsible for presenting the data in the required format.[way  

that present a document]

SESSION LAYER : Responsible to establish manage and terminates session.[connection between two communicating host.

TRANSPORT LAYER : This layer break up the data from the sending host and then reassembles it in the receiver.

NETWORK LAYER :[ belong IP addressing] sometimes referred to as the cisco layer.

DATA LINK : Performs physical addressing.

PHYSICAL LAYER : Consist of the basic networking hardware transmissions technologies of  a network.


    



      BROADCAST DOMAIN : Is a group of devices receiving broadcast frame iniatiating from any devices
                                                 with the group


      COLLISION : . The effect of two node sending transmissions simultaneously in Ethernet.


     COLLISION DOMAIN : The network area in Ethernet over which frame that have collided will be                                                      detected.