A2 Networks

Teach the full A2 Networks unit with 17 IB Computer Science presentations covering A2.1.1–A2.4.4, for first assessment 2027.

Included sections

• A2.1 Network Fundamentals: computer networks, modern digital infrastructures, network devices, network protocols and TCP/IP model
• A2.2 Network Architecture: network topologies, the function of servers, networking models and network segmentation
• A2.3 Data Transmissions: types of IP addressing, transmission media, packet switching and routing
• A2.4 Network Security: firewalls and network protection, common network vulnerabilities, common network countermeasures, encryption and digital certificates

The presentations combine explanations, visual examples and revision activities to support classroom teaching and exam preparation. Includes SL content and HL extensions; A2.4.2 and A2.4.3 are HL-only topics.

Suitable for IB Diploma Computer Science teachers and students aged 16+. Each included resource is available through the bundle.