Interconnects the digital world by deploying viable network topologies & thereby to establish robust and high-speed data transmission over it.
Wired, Wireless, Exotic communications
Bus, Ring, Star, Mesh, Tree, Fully connected network topologies
PAN, LAN, HAN, SAN, CAN, BBN, MAN, WAN, EPN, VPN, GAN
Ethernet, Power Line Data, TCP/IP, SONET, SDH, ATM