BCS-041:Fundamental of Computer Networks
IGNOU Study Material in pdf
Download free pdf files of BCS-041 from eGyankosh. Covers all units of all blocks.
BLOCK 1: Concepts of Communication and Networking
Unit 1 : Basics of Data Communication
Concept of communication system, Analog and Digital Communication, Data communication modes, Synchronous and asynchronous transmission, Simplex, half-duplex, full duplex communication ,Networking Protocols and Standards, Layering, OSI reference model, encapsulation, End-to-end argument. Protocol design issues, Applications.
Unit 2 : Modulation and Encoding
Analog Modulation (AM, FM, PM), AM Demodulation (one technique only), Advantages and Disadvantages of each., Analog to Digital (Digitization), Sampling, Quantization, Digital to Analog., Digital Modulation (ASK, FSK, PSK, QPSK)
Unit 3 : Multiplexing and Switching
Concept, FDM, TDM, SDM, Multiplexing Applications, Circuit and Packet Switching
Unit 4 : Communication Mediums
Digital data transmission, Serial and Parallel Transmission, Guided and Unguided mediums, Wireless Communication, Coaxial Cables, Twisted Pair Cables, Fiber Optic Cables, Connectors
BLOCK 2: Networks and Devices
Unit 1 : Network Classifications and Topologies
Network Concept, LAN overview, LAN Topologies, LAN access methods, Network Types based on size like PAN, LAN, MAN, WAN, Functional Classification of Networks, Peer to Peer, Client Server. Wide Area Network, WAN Topologies, WAN Access Methods. 40
Unit 2 : OSI and TCP/IP Models
Introduction of OSI Model, Need of such Models, Basic functions of each OSI layer, Introduction to TCP/IP, Comparisons with TCP/IP layers. (At the beginner's level)
Unit 3 : Physical and Data link Layer
Error detection and correction, CRC, Framing, Retransmission strategies, Multi-access communication, CSMA/CD, Ethernet, Addressing, ARP and RARP.
Unit 4 : Internetworking Devices
Network Interface Cards, Modems, Repeaters, Hubs, Bridges, Switch (L2 and L3 differences) and gateways
BLOCK 3: Network, Transport and Application Layer
Unit 1 : Network Layer
Circuit and packet switching, Routing, Congestion control, Routing protocols: distance vector vs link-state routing, DV problems, Network Addressing, Forwarding, Fragmentation, Error Messaging Services.
Unit 2 : Transport Layer
Addressing and multiplexing, Flow control, congestion control, data transport, Port numbers, service models, Intro to reliability, QoS.
Unit 3 : Application Layer
dDNS, Remote Logging, File transfer, Network Management, client-server applications, WWW, E-mail, MIME
Unit 4 : Network Applications
Internet Applications like emails, chatting, social networking, Rail Reservations, Information Sharing, e-governance, Online Processing and Collaborations, etc., Mobile Applications
BLOCK 4: Network Design and Security
Unit 1 : Building a Simple Network
Examples of designing the developing small networks, Structure Cabling, Integrating home computers and devices, creating a small Networking
Unit 2 : Introduction to Network Architectures
X.25, Frame relay, Telephone network, ATM network, ISP, IPv4 and IPv6 overview
Unit 3 : Introduction to Wireless and Mobile Networks
Introduction to wireless communication systems, modern wireless communication systems and generations, Introduction to cellular mobile systems, CDMA, cellular system design fundamentals.
Unit 4 : Network Security
Introduction to computer security, Security services, Authentication and Privacy, Block and Stream Ciphers, Public and Private key Cryptography, Introduction to RSA, MD5 and DES at the beginner's level.