IB Computer Science 2027 – A2.2.3 Network Models – Lesson & Worksheet

IB Computer Science 2027 – A2.2.3 Network Models

IB DP Computer Science A2.2.3 Network Models lesson and worksheet for the new 2027 syllabus. A classroom-ready resource covering network models and how they describe communication between devices.

What is included

• Lesson presentation
• Student worksheet
• Classroom activities
• Student tasks
• Questions to check understanding
• Mark scheme / answers

Syllabus coverage

A2.2 Network Architecture

A2.2.3 Network Models

Students explore how network models describe the organisation of network communication and the relationships between different components.

Topics include:

• Network models
• Network architecture
• Communication between devices
• Network components
• Layered communication
• Model functions
• Real-world networking scenarios

Students apply their understanding to network structures and explain how models help describe communication systems.

Suitable for

• IB Diploma Programme Computer Science
• SL and HL
• New 2027 syllabus
• First assessment May 2027
• Secondary students aged 16–18

The resource can be used as a standalone lesson or incorporated into an existing IB Computer Science scheme of work.

Please note: This is an original teaching resource and is not affiliated with or endorsed by the International Baccalaureate Organisation.