MCA-305 Computer Networks:

UNIT-I

Introduction: Computer Network, Layered Network Architecture-Review of ISO-OSI Model.,Transmission Fundamentals-, Communication Media-Conductive Metal (Wired Cable), Optical Fiberlinks, Wireless Communication-Radio links, Setellite Links, Communication Services & Devices,Telephone System., Integrated Service Digital Network (ISDN)., Cellular Phone., ATM, Modulation &Demodulation-, Digital to Analog Conversion-Frequency Modulation (FM), Amplitude, Modulation(AM), Phase Modulation (PM)., Analog to Digital Conversion-Pulse Amplitude Modulation(PAM), PulseCode Modulation (PCM), Differential Pulse Code Modulation, (DPCM)., Modem & Modem Types.,Multiplexing-, Frequency Division Multiplexing (FDM)., Time Division Multiplexing (TDM), Statistical

Time Division Multiplexing (STDM)., Contention Protocol-, Stop-Go-Access Protocol, Aloha Protocol-Pure aloha & Slotted aloha, Carrier sense multiple access with collision detection (CSMA/CD)

UNIT-II

Data Security and Integrity: Parity Checking Code, Cyclic redundancy checks (CRC), Hemming Code,Protocol Concepts –, Basic flow control, Sliding window protocal-Go-Back-N protocol and selective repeat protocol, Protocol correctness- Finite state machine

UNIT-III

Local Area Network: Ethernet : 802.3 IEEE standard, Token Ring : 802.5 IEEE standard, Token Bus :802.4 IEEE standard, FDDI Protocol, DQDB Protocol, Inter Networking, Layer 1 connections- Repeater,Hubs, Layer 2 connections- Bridges, Switches, Layer 3 connections- Routers, Gateways.

UNIT-IV

Wide Area Network: Introduction, Network routing, Routing Tables, Types of routing, Dijkstra’s Algorithm, Bellman-Ford Algorithm, Link state routing, Open shortest path first, Flooding, Broadcasting,Multicasting, Congestion & Dead Lock, Internet Protocols, Overview of TCP/IP, Transport protocols,Elements of Transport Protocol, Transmission control protocol (TCP), User data-gram protocol (UDP).

UNIT-V

Network Security, Virtual Terminal Protocol, Overview of DNS, SNMP, email, WWW, Multimedia.

BOOKS:

1. A.S.Tanenbaum, “Computer Network”, 4th addition,PHI

2. Forouzan “Data Communication and Networking 3ed”, TMH

3. J.F.Hayes, “Moduling and Analysis of Computer Communication Networks”, Plenum Press

4. D.E.Comer, “Internetworking with TCP/IP”, Volume Ist & IInd, PHI

5. Willium Stalling, “Data & Computer communications”,Maxwell Macmillan International Ed.

6. D.Bertsekas and R.Gallager,”Data Networks”, 2nd Ed. ,PHI.

7. G.E. Keiser ,”Local Area Networks “, McGraw Hill, International Ed.

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