Section-A
OSI Reference Model and Network Architecture: Introduction to Computer Networks, Example
networks ARPANET, Internet, Private Networks, Network Topologies: Bus-, Star-, Ring-, Hybrid -, Tree -,
Complete -, Irregular –Topology; Types of Networks : Local Area Networks, Metropolitan Area Networks,
Wide Area Networks; Layering architecture of networks, OSI model, Functions of each layer, Services and
Protocols of each layer
Section-B
TCP/IP: Introduction, History of TCP/IP, Layers of TCP/IP, Protocols, Internet Protocol, Transmission
Control Protocol , User Datagram Protocol, IP Addressing, IP address classes, Subnet Addressing, Internet
Control Protocols, ARP, RARP, ICMP, Application Layer, Domain Name System, Email – SMTP,
POP,IMAP; FTP, NNTP, HTTP, Overview of IP version 6.
Section-C
Local Area Networks: Introduction to LANs, Features of LANs, Components of LANs, Usage of LANs,
LAN Standards, IEEE 802 standards, Channel Access Methods, Aloha, CSMA, CSMA/CD, Token
Passing, Ethernet, Layer 2 & 3 switching, Fast Ethernet and Gigabit Ethernet, Token Ring, LAN
interconnecting devices: Hubs, Switches, Bridges, Routers, Gateways.
Wide Area Networks: Introduction of WANs, Routing, Congestion Control, WAN Technologies,
Distributed Queue Dual Bus (DQDB),
Section-D
Synchronous Digital Hierarchy (SDH)/ Synchronous Optical Network (SONET), Asynchronous Transfer
Mode (ATM), Frame Relay.,Wireless Links.
Introduction to Network Management: Remote Monitoring Techniques: Polling, Traps, Performance
Management, Class of Service, Quality of Service, Security management, Firewalls, VLANs, Proxy
Servers, Introduction to Network Operating Systems: Client-Server infrastructure, Windows NT/2000.