TCP/IP networks: Architecture, packet structure, addressing, flow codes, CIDR, DNP, database structures, name severs. Dynamic host configuration protocol. Routing protocol & mutable protocol, SNMP. Data codes. Digital data communication: ISDN, DSC, ATM, and OSI. Wider data counter system IEE 801.11.5, GMS.   Synchronous/ Asynchronous. Demodulation & Modulation/serial and parallel, Half and Full duplex, digital and analogue, LAN- physical, logical methodologies, network architecture. WAN. LAN- Os peer to peer & client/server. (PREREQUISITE: COMP 0113) Y1S2