A1 Computer fundamentals
A2 Networks
A2.1 Network fundamentals
A2.2 Network architecture
A2.3 Data transmissions
A2.4 Network security
A3 Databases
A4 Machine learning
B1 Computational thinking
B2 Programming
B3 Object-oriented programming
B4 Abstract data types (HL only)
Browse syllabus-aligned notes for A2.1 Network Fundamentals. Open each subtopic for focused explanations, examples, and summaries.
A2.1.1 Purpose and Characteristics of Networks
8 minute read
A2.1.2 Purpose, Benefits, and Limitations of Modern Digital Infrastructures
16 minute read
A2.1.3 Function of Network Devices
2 minute read
A2.1.4 Network Protocols Used for Transport and Application
9 minute read
A2.1.5 Function of the TCP/IP Model (HL only)
11 minute read