COMPUTER COMMUNICATION AND NETWORKS SYLLABUS

FOURTH SEMESTER DIPLOMA COMPUTERSCIENCE COMPUTER COMMUNICATION AND NETWORKS REVISION-06 SYLLABUS

UNIT1

1.UNDERSTAND THE CONCEPT OF COMPUTER COMMUNICATION

*Explain Data Communication

*List the characteristics of effective  data communication

*Explain briefly the components of data communication-message,center receiver,medium,protocol

*Discuss the network criteria-performance,reliability,security

*Explain Protocols,standards

*Discuss about Standards organizations

*Explain briefly line configuration-point to point and multipoint

*Explain briefly the topologies-mesh,tree,star,bus,ring,hybrid

*Compare the transmission modes-simplex,half duplex,full duplex

*Discuss the categories of network-LAN,MAN,WAN

*Discuss Inter networks

*Explain briefly the ISO-OSI model with the help of a block diagram

*List the Functions of the layers

*Distinguish between Analog and Digital Data

*Explain Analog signals

*Explain briefly Time and frequency domain

*Discuss about composite signals

*Explain frequency spectrum and bandwidth

*Explain digital signals

*Know about bit intervals and bit rate

UNIT-II

2.UNDERSTAND PHYSICAL LAYER

*Study of encoding –digital to digital,digital to analog,analog to digital,analog to analog

*Know the encoding of digital to digital-Explain unipolar,polar,bipolar

*Explain NRZ,RZ,Manchester,Differential Manchester

*Know the encoding of analog to Digital-PAM,PCM,Nyquist Theorem

*Know the encoding of Digital to Analog-Bit rate,Baud rate,Ask,FSK,PSK,QAM

*Distinguish between Digital data transmission methods-serial,parallel transmission

*Compare Synchronous Vs asynchronous data transmission

*Study of DTE and DCE

*Study of EIA 232

*Understand Modems-Transmission rate,bandwidth,speed

*Discuss modem standards-Bell modems,ITU-T

*Briefly explain Cable modem

2.UNDERSTAND TRANSMISSION MEDIA

*Compare the transmission Media-Guided and unguided

*Explain briefly Twisted pair:Shielded and unshielded-construction,characteristics,standards

*Explain briefly Coaxial cable-construction,characteristics,standards

*Explain briefly the Optical fiber-construction,characteristics,standards,propagation mode,single mode,multimode(step,index,graded index)

*List the advantages and disadvantages of Optical Fiber

*Know the types of propagation-Terrrestrial microwave,satellite communication

*Understand transmission,Impairment-attenuation,Distortion,noise

3.UNDERSTAND MULTIPLEXING

*Explain Multiplexing

*Discuss FDM,WDM,TDM-synchronous,Bit stuffing,asynchronous

*Discuss inverse Multiplexing

UNIT-III

1.UNDERSTANDING DATALINK LAYER

*Discuss types of Errors-Single bit burst error

*Explain Flow Control-Stop and Wait,Sliding window

*Study of error Control-Explain Stop and wait ARQ,Sliding window ARQ-Go Back in selective Reject

*Understand Data Link Protocol

*Explain Asynchronous Protocol-XMODEM,YMODEM,ZMODEM,BLAST,Kermit

*Explain Synchoronous Protocol-Character Oriented,Bit oriented

*Describe binary Synchronous Communication-Control Characters,Frames,Header,Multiblock,Multiframe,Control frame

*Discuss data Transparency

*Explain HDLC-Station types,configurations,modes,NRM,ARM,ABM,Frames

*Explain Flag Fields,address fields,control field,information field

*Know S-frames,U-frames

*Discuss bit Stufing

UNIT-IV

1.UNDERSTANDING NETWORKS LAYER
*Understand Local Area Networks

*Know Project 802

*Explain LLC,MAC,PDU

*Discuss Ethernet-Baseband,Broadband

*Explain Access Method-CSMA,CSMA/CD

*Know the frame Format

*Discuss the implementation of Ethernet

*Explain Fast Ethernet,Gigabit Ethernet

*Discuss Token Bus

*Discuss Token Ring

*Discuss FDDi

*Compare Ethernet,Fast Ethernet,Gigabit Ethernet,Token Ring,FDDi

*Understand metropolitian Area network

*Discuss IEEE 802.6(DQDB),SDMS

*Explain Circuit Switching-Space division switching,time division switching

*Explain Packet Switching-datagram approach,Virtual Circuit approach(SVC,PVC)

*Know Message switching

*Discuss SLIP,PPP,LCP,PAP,NCP,IPCP

*Explain ISDN-Services,History,Channels(B Channel,D channel,H Channel)

*Study ISDN layers

*Discuss X.25-layers

*Know Frame Relay

*List the advantages and disadvantages of frame reay

*Discuss Frame Relay Layers

*Discuss Congestion Control

*Explain Congestion avoidance BECN,FECN

*Explain Leaky Bucket Algorithm

*Discuss Traffic Control
*Discuss ATM-architecture

UNIT-V

1.UNDERSTAND ROUTING,HIGHER LAYERS AND TCP/IP

*Understand Networking and Internetworking Devices

*Discuss Repeaters,Bridges,Routers,Gateway

*Know the routing Algorithms

*Explain Distance vector routing

*Explain Link state Routing,Dijikstra Algorithm

*Understand Transport layer

*Study of duties of the transport layer in detail

*Discuss Session layer

*Discuss Presentation layer

*Know Encryption/Decryption

*Explain Data encryption standards-public key,private key

*Discuss Authentication

*Explain Data compression

*Understand Application Layer

*Explain TCP/IP

*Compare TCP/Ip and OSI

*Know Datagram

*Explain Addressing

*Explain Subnetting

*Discuss Client,Server,DHCP,DNS,Telnet,NVT,FTP,TFTP,SMTP,POP.

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