WHAT IS ROUTER & WHAT IS FIREWALL

WHAT IS ROUTER  A router is another network infrastructure device that directs packet through the network based on on information from network layer of OSI modal.  A router uses a combination of... Read more »

NETWORK HUB & BRIDGE

  NETWORK HUB Hubs were a common network infrastructure device used for local area network connectivity but network switches are rapidly  replacing hub. These  day is vary difficult to spot network hub... Read more »

MESH,RING,HYBRID TOPOLOGY

MESH,RING,HYBRID  TOPOLOGY MESH TOPOLOGY  In MESH topology , every network device is connected to other network devices. Mesh topology is costly because to the extra cable needed and it is very complex... Read more »

STAR AND BUS TOPOLOGY

STAR TOPOLOGY A star topology is designed with  each node connected directly to a central device called as a network switch. Each workstation has a cable that goes from its network card... Read more »