CN (Diploma Information Technology 4th)

1. Networks Basics (12 Hrs)

What is Network, Uses of Computer Networks, Networking Models (Client

Server, peer to peer, Distributed processing), Network Topologies, Types of

network (PAN, LAN, MAN, WAN), Network Terminologies (Broadcast,

Multicast, Unicast, Layer, Protocols, Interface), Design issues for Layer,

Network Services, Services primitives, Wireless Networks – WiFi, WiMax,

Features of Wireless Networks.

 2. Reference Models (08Hrs)

OSI Reference Model, Functions of layers in OSI Reference Model, TCP/IP

reference Model, TCP/IP Network Model.

3. Internetworking Basics (10 Hrs)

Internet, Intranet, Communication over internet, IP Addressing, Classes of IP

Addressing, sub-netting, super-netting, IPv4 header format, CDIR, NAT, Mobile

IP, IPv6, Need for IPv6, IPv6 header format.

 4. Network Channel Allocation (10 Hrs)

Static Channel allocation in LANs and MANs, Dynamic Channel allocation in

LANs and MANs, Multiple Access protocols (ALOHA - Pure ALOHA & Slotted

ALOHA, CSMA, CSMA/CD, Collision Free protocols), Ethernet Cabling, Fast

Ethernet, Gigabit Ethernet.

5. Routing. (08 Hrs)

Adaptive & Non adaptive routing, Optimality principle, shortest path routing,

flooding,

6. Network Connectivity (08 Hrs)

Network Connectivity Devices, NIC, Repeater, Hub, Switch, Router, Bridge,

Gateway, VOIP, Wireless NIC, Access Point, Modem, Print Server, Bluetooth. 

7. Network Security (08 Hrs)

Security Issues, Cryptography, Encryption Model, Encryption Methods, IPSec,

Firewall, VPN, WEP. .