Louie Wong

Bus Topology – This topology consists of a Backbone cable connecting all nodes on a network without intervening connectivity devices. The single cable is called Bus and can support only one channel for communication; as a result, every node shares the bus’s total capacity. On a Bus Topology network, devices share the responsibility for getting Read More …

Carrier Sense Multiple Access/Collision Detect (CSMA/CD) is a scheme where the hosts try to detect collisions, and if they occur, stop transmitting, and then try to re-transmit at a later time. Any host on the network segment that wants to send data must check the segment to see if another host is already sending data. Read More …

Hub repeats everything it receives and can be used to extend the network. However, this can result in a lot of unnecessary traffic being sent to all devices on the network. Hub passes on traffic to the network regardless of the intended destination; the workstations to which the packets are sent use the address information Read More …