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OCR GCSE TCP/IP Pack
1. The Protocol Stack Cheat Sheet
Application: HTTP, HTTPS, FTP, SMTP, IMAP. User interface layer.
Transport: TCP, UDP. Packet splitting and error checking.
Internet: IP. Routing and Addressing packets.
Link: Ethernet, Wi-Fi. MAC addresses and physical hardware.
2. Mock Exam Questions
Q1. Describe the role of the Internet Layer. [2 Marks]
Q2. Explain one benefit of using a layered model like TCP/IP. [2 Marks]
Q3. A computer receives data. Describe the role of the Transport Layer during decapsulation. [3 Marks]