Computer Networks

Computer Networks
● Evolution of Networking: ARPANET, Internet, Interspace Different
ways of sending data across the network with reference to switching
techniques (Circuit and Packet switching).
● Data Communication terminologies: Concept of Channel, Bandwidth
(Hz, KHz, MHz) and Data transfer rate (bps, Kbps, Mbps, Gbps,
Tbps).
● Transmission media: Twisted pair cable, coaxial cable, optical fiber,
infrared, radio link, microwave link and satellite link.
● Network devices: Modem, RJ45 connector, Ethernet Card, Router,
Switch, Gateway, WiFi card.
● Network Topologies and types: Bus, Star, Tree, PAN, LAN, WAN,
MAN.
● Network Protocol: TCP/IP, File Transfer Protocol (FTP), PPP, HTTP,
SMTP, POP3, Remote Login (Telnet) and Internet, Wireless / Mobile
Communication protocol such as GSM, GPRS and WLL.
● Mobile Telecommunication Technologies: 1G, 2G, 3G, 4G and 5G;
Mobile processors;
Electronic mail protocols such as SMTP, POP3, Protocols for Chat
and Video Conferencing: VoIP, Wireless technologies such as Wi-Fi
and WiMax
● Network Security Concepts:
Threats and prevention from Viruses, Worms, Trojan horse, Spams
Use of Cookies, Protection using Firewall, https;
India IT Act, Cyber Law, Cyber Crimes, IPR issues, hacking.
● Introduction To Web services: WWW, Hyper Text Markup Language
(HTML), Extensible Markup Language (XML); Hyper Text Transfer
Protocol (HTTP); Domain Names; URL; Website, Web browser, Web
Servers; Web Hosting, Web Scripting – Client side (VB Script, Java
Script, PHP) and Server side (ASP, JSP, PHP), Web 2.0 (for social
networking)
● E-commerce payment transactions using online banking, mobile
banking, payment apps and services.