Syllabus

Introduction to computer networks and physical layer

Networking model, Protocols and Standards, OSI model and TCP/IP model, Networking Devices (Hubs, Bridges, Switches, and Routers) and Transmission media.

Data link layer

Services, Error Detection and Corrections, Flow Control, Data Link Protocol, Multiple access protocols, LAN addressing and ARP (Address Resolution Protocol), Ethernet, IEEE 802.3(Ethernet), 802.4(Token Bus), 802.5(Token Ring), CSMA/CD, Wireless LANs, PPP (Point to Point Protocol), Wide area protocols.

Network layer

Addressing (Internet address, classful address), Subnetting, Routing Protocols (RIP, OSPF, BGP, Unicast and multicast routing protocols), Routing algorithms (shortest path algorithm, flooding, distance vector routing, link state routing) Routing Protocols (ARP, RARP, IP, ICMP), and IPv6 (Packet formats, Extension headers, Transition from IPv4 to IPv6, and Multicasting).

Transport layer

The transport service, Transport protocols, Port and Socket, Connection establishment & Connection release, Flow control & buffering, Multiplexing & de-multiplexing, Congestion control algorithm

Application layer

Web (HTTP & HTTPS), File Transfer (FTP, PuTTY, Win SCP), Electronic Mail, DNS, P2P Applications, Socket Programming, Application server concept, and Concept of traffic analyzer (MRTG, PRTG, SNMP, Packet tracer, Wireshark).

Network security

Types of Computer Security, Types of Security Attacks, Principles of cryptography, RSA Algorithm, Digital Signatures, securing e-mail (PGP), Securing TCP connections (SSL), Network layer security (IPsec, VPN), Securing wireless LANs (WEP), Firewalls.