12th C Computer Network

1.Evolution of Network:
-ARPANET,INTERNET,INTERSPACE
-Different ways of sending data across the network with reference to swithching techniques (Circuit and Packet switching);

2.Data Communication Terminologies:
Concept of channel,Bandwith(Hz,kHz,MHz) and Data transfer rate (bsp,kbps,Mbps,Gbps ,Tbps);

3.Transmission Media:
Twisted pair cable , coaxial cable , optical fiber, infrared, radio link, microwave link and satellite link.\

4.Network Devices:
Modem , RJ45 connector, Ethernet card, Router, Repeator, Switch, Gateway, Wifi card.

5. Network Topologies and types;
Bus,Star,Trees,PAN,LAN, WAN,MAN;

6.Network Protocol:
TCP/IP,file transfer protocol(FTP) , PPP,SMTP<POP3,Rmote login (Telnet), INternet Wireless?mobile Cmmunication protocol sunch as GSM, CDMA,GPRS, WLL,

6. Mobile Telecommunication Technologies
1G,2G,3G and 4G
electronic mail protocol such as Smtp, pop3
protocols for chats and video conferencing VOIP
Wireless technologies such as WIFI and WIMAX

7.Network Security Concepts:
Threats and prevention form Viruses, Worms, Trojan horse, Spams
Use of cookies, protection using Firewall.
Idia IT Act Cyber LAW , Cyber Crime , IPR issues , Hacking

8.Introduction To Web service;
WWW,HTML,XML;HTTP;DOMAIN NAMES;URL;Website , Web browesr, Web Servers: Web Hosting , Web Scripting - Client side and Server side , Web 2.0.