Computer Network

 UNIT 1: Introduction 

• Introduction to computer networks
• Network Models
• OSI Reference Model
• TCP/IP Model

UNIT 2: Data Communication and Communication Methodologies 

• Transmission Media – Principles, issues and examples.
• Wired Media – Coaxial, UTP, STP, Fibre Optic Cables.
• Wireless Media – HF, VHF, UHF, Microwave, Ku Band; Network topologies.
• Data Link Layer – design issues, example protocols (Ethernet, WLAN, Bluetooth)
• Switching Techniques(Circuit, Packet, Message) 

UNIT 3: Network Layer 

• Network Layer – Design issues. 
• Concept of IPv4.
• Concept of IPV6 
• Routing principles/Issues.
• Routing Algorithms 
• Distance-vector 
• Link-state
• Protocols (RIP, OSPF)

UNIT 4: Transport Layer

• Transport Layer – Design issues. 
• Protocols: TCP and UDP. 
• Application Layer Protocols (SMTP, DNS) 

UNIT 5: Network Devices 

Functioning of Network Devices – 

• NIC.
• Hub.
• Bridge.
• Switch.
• Router.
• WiFi Devices
• Network Management System and example protocol (SNMP).