CSI2007 Data Communication and Networks – Tutorial Sheets (Winter Semester 2024-25)

This document provides a comprehensive collection of tutorial sheets for the course CSI2007 – Data Communication and Networks, specifically tailored for the Winter Semester 2024–25. It is designed for university students pursuing computer science or electronics and communication engineering and is aligned with standard curriculum topics in data communication. The tutorial sheets cover essential and advanced topics, including: • *Network Topologies* – Practical scenarios involving star, mesh, and hybrid configurations with real-world applicability for office networks. • *Signal Transmission Concepts* – Calculations involving decibel loss in cables, transmission time, propagation delay, and bandwidth utilization. • *IP Addressing & Subnetting* – Step-by-step exercises on designing subnets, calculating available IPs, and understanding IPv4 & IPv6 addressing schemes. • *Routing Protocols* – RIP and OSPF algorithm-based path determination and shortest path exercises with real-world scenarios. • *TCP and UDP Header Analysis* – Header field breakdowns and interpretation of data packets through hexadecimal values, offering practical insight into protocol behavior. • *Digital Encoding Techniques* – Visualization and explanation of encoding schemes like NRZ, RZ, Manchester, AMI, and Pseudo Ternary for data streams. • *Fragmentation and Datagram Details* – In-depth problems related to fragmentation flags, offsets, data sizes, and interpretation of headers. Each tutorial is structured to reinforce theoretical concepts through practical problems, making it ideal for self-study, group discussions, and exam preparation. Whether you're revising before exams, practicing problems, or building core networking knowledge, this document is an essential resource. It has been curated to enhance understanding, promote critical thinking, and improve application-based problem solving in computer networks.