Computer Networks and Applications COMP3331/COMP9331 26T2

Midterm Exam Reminder and Week 7 Arrangements

Posted by Isura Bamunusinghe Arachchige Sunday 12 July 2026, 06:21:40 AM.

Please note that the midterm exam will commence at 9:05am tomorrow (Monday, 13 July) .

The practice test will remain available until 12:00pm (noon) today . If you have not yet completed it, we strongly encourage you to do so before it closes.

Please also note that there will be no lecture tomorrow .

Week 7 Programming Tutorial

• The regular lab will be replaced by a programming tutorial to help you get started on the assignment.
• Separate sessions are available for Python, C, and Java, please attend the one for your chosen language.
• The tutorial is not graded and requires no submission .
• Starter code is provided, and sample solutions will be released by the end of Week 7 .
• Check the revised Week 7 timetable and review the tutorial specs in advance.

Assignment Consultations (Weeks 7–9)

• Weekly, assignment-focused consultations will be offered for Python, C, and Java .
• These sessions provide general programming guidance , not code debugging.
• Schedules and locations may change, so please check the schedule before attending.
• Additional sessions may be added closer to the deadline based on demand.
• All students are strongly encouraged to attend the Week 7 programming tutorial to ensure a solid start on the assignment.

Midterm exam important information released

Posted by Isura Bamunusinghe Arachchige Friday 03 July 2026, 05:23:27 PM.

Your 75-minute midterm exam will start at 09:05 (9:05 am) on Monday ,13 July (Week 7). Please mark your calendars. This exam is open book, uninvigilated, and can be taken remotely.

All important information about the midterm exam including a practice midterm test is available here .

As Week 6 is Flexibility Week , there will be no lectures . We encourage you to take some time to rest and recharge, while also using this opportunity to review the course material and prepare for the midterm exam.

We are actively monitoring the forum throughout the Flexibility Week. I will run an online consultation session via Zoom from 11 am to 12 noon on Thursday 9 July if you have further questions. Meeting link is available here .

Welcome to Week 5

Posted by Isura Bamunusinghe Arachchige Monday 29 June 2026, 08:59:02 AM.

This week, we continue our exploration of the Transport Layer , with an emphasis on how TCP implements reliable data transfer. Topics covered include sequence numbers, acknowledgements, retransmissions, flow control, connection management, and TCP congestion control..

Please note that lab sessions this week will be replaced with tutorials to help you prepare for the midterm.

Further details regarding the midterm exam and practice materials will be released later this week.