Networks and Data Communications

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Module code




About the Module

The course aims to equip you with a broad understanding of data communications techniques as seen in computer networks. This will be done through study of examples of data communications protocols and methods of communicating computer data.

Credit Rating

There are 20 SCQF points available on this module.

Module Timetable

WeekTopics Covered
1Introduction to Data Communications. Open Systems Integration (OSIRM), layered protocols, peer processes.
2Data Link Layer, flow control, sliding window protocols, packet re-transmission. DNS.
3Wide Area Networks (WANs), Packet routing, Network Layer, IP. The Internet.
4Transport Layer, TCP, Transport connection across networks. Error Protection.
5Local Area Networks (LANs - wired). IEEE 802 Protocols, CSMA/CD, Ethernet.
6Physical Layer (1). Communications media and their physical characteristics; bandwidth and data rate.
7Physical Layer (2). Modems, cellular operation, ADSL.
8Local Area Networks (LANs - wireless). CSMA/CA.
9Professional issues. Security.
10Multimedia, Data compression, Application Layer.
11Revision Week.
12Revision Week.

Assessment and Coursework

Coursework counts for 20% of the final module mark.
The final degree exam counts for 80% of the final module mark.


Marking criteria are provided on My Dundee for all assignments so that you know what we are looking for when we are marking your coursework. Please ensure that you refer to these when completing assignments.

TitleWeek GivenWeek DueEffort Expected (hours)Value (%)
Domain Name System (DNS) and Network Monitor Exercise481520


All course material is available on My Dundee. This includes copies of lecture materials, practical exercises and assignments. The reading list for this module can be accessed fromMy Dundee, and provides recommended materials for completing the module.