Computer Network (CN) by Education 4u

Syllabus

• Computer Network

  UNIT 1 Computer networks,

  Network Hardware—Local Area networks, Metropolitan Area networks,, Wide Area networks, Wireless networks, Internetworks, Network Software: Protocol Hierarchies, Design and Issue for layers, Interfaces and services, Connection oriented and Connection less Services. OSI reference model, and its Evolution, TCP/IP model.

  UNIT 2 The Physical Layer:

  Transmission media, twisted pair, Base band and Broadband coaxial cable, Fiber optics, unguided media. MODEM, ISDN services, Switching Message, Packet Circuit switching TDM, and FDM.

  UNIT 3 Data Link Layer

  Data Link Layer, Error detection and Correction, Protocols: Simplex Stop and wait protocols, One bit sliding window protocol, Using Go-Back N. Flow control, Sliding Window Protocol, Channel Allocation Problem, Multiple Access Protocol: ALOHA, CSMA protocol, Collision Free protocol, Polling, FDM, TDM, Network layer: Routing Algorithm, Congestion Control Algorithm, IP Protocol, IP Addresses, subnets,

  UNIT: 4 The Medium Access Sub Layer :

  Framing, Static and Dynamic Channel Allocation in LANs and MANs, IEEE Standard 802.3, and Ethernet IEEE standard 802.4 and token Ring, IEEE Standard 802.5, Token Bus, Bridges : Bridges from 802.x to 802.y, transport bridges, Source Routing Bridges, Gateways, Routers, ISDN, ATM, X.25.

  UNIT: 5 The Network Layer :

  Network layer design issue, shortest path routing, Flooding, Flow-based routing, Broadcast routing, Congestion control and prevention policies; Internet working connectionless internetworking, tunneling Internet work, Routing, Fragmentation, Firewall, IP address, Internet Controls Protocols.

  UNIT 6 Transport layer:

  Addressing, Establishing and releasing a connection, Multiplexing, Crash Recovery; TCP service Model, TCP protocol, The Application Layer: Network Security, Domain Name System, Email: Architecture and Services, Message formats, Message transfer.

  SUGGESTED READINGS

  • 1. Tanenbaum, A.S. "Computer Networks," PHI, 1990.
  • 2. Stallings, W: Data and Computer Communication, Prentice Hall of India.
  • 3. Fororuzan “Data Communication and Networking” TMH.

  Semester

  • V

  Subject Code

  BCA-502