3.1. Introduction to computer network, Network architecture (LAN, MAN, WAN),
Client server and peer-to-peer model, LAN architecture/standards (Bus, Ring, Star).
3.2. Connectivity and media: Network cables and connectors
3.3. OSI Reference model, TCP/IP Reference model,
3.4. Network Hardware (NIC, Repeater, Hub, Bridge, Access Points, Switch, Router,
and Gateway), their functions, features and configuration.
3.5. Common TCP and UDP ports, protocols, and their purpose
3.6. Application of Network utilities (e.g. IPCONFIG, PING, TRACERT, NSLOOKUP)
3.7. Network cabling and cable testing
3.8. IP Addressing, subnet mask, gateway, DNS, WINS, static and automatic address
assignment
3.9. Basic Switching and Routing Techniques
3.10. multiplexing and de-multiplexing, UDP, TCP, flow control, principles of congestion
control, TCP congestion control

3.11. Web and Web caching, FTP (File Transfer Protocol), Electronic mail, DNS
(Domain Name Service),
3.12. Network security: Cryptography, Digital Signature, Firewalls, Virtual Private
Network (VPN), Data Encryption Standard, Disaster Recovery, Data Storage
Techniques: Clustering, NAS, SAN