This course covers the prerequisites for undergraduate students to study computer networks. The following content will be covered in the course:

1. Module 1: 

Data Communication Components: Representation of data and its flow Networks, Various Connection topologies, Protocols and Standards, OSI model, Transmission Media, LAN: Wired LAN, Wireless LANs, Connecting LAN and Virtual LAN.

2. Module 2: 

   • Data Link Layer and Medium Access Sub Layer: 

Error Detection and Error Correction- Fundamentals, Block coding, Hamming Distance, CRC 

Flow Control Protocols-  Stop and Wait, Sliding Window, Piggybacking 

Error control protocols- Go back – N ARQ, Selective Repeat ARQ

Random Access, Multiple access protocols- Pure ALOHA, Slotted ALOHA, CSMA/CD, CDMA/CA

3. Module 3:

   • Network Layer: Switching, Logical addressing – IPV4, IPV6; Address mapping – ARP, RARP, BOOTP and DHCP–Delivery, Forwarding and Unicast Routing protocols.

4. Module 4: 

   • Transport Layer: Process to Process Communication, User Datagram Protocol (UDP), Transmission Control Protocol (TCP), SCTP Congestion Control; Quality of Service, QoS improving techniques: Leaky Bucket and Token Bucket algorithm.

5. Module 5: 

   • Application Layer: Domain Name Space (DNS), DDNS, TELNET, EMAIL, File Transfer Protocol (FTP), WWW, HTTP, SNMP, Bluetooth, Firewalls