Quick Reference - TCP/IP Layers
This key facts covers Quick Reference - TCP/IP Layers within TCP/IP Layers for GCSE Computer Science. Revise TCP/IP Layers in 3.5 Fundamentals of Computer Networks for GCSE Computer Science with 16 exam-style questions and 18 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 10 of 11 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 10 of 11
Practice
16 questions
Recall
18 flashcards
Quick Reference - TCP/IP Layers
- 4 - Application: HTTP, SMTP, FTP, DNS (what you use)
- 3 - Transport: TCP (reliable), UDP (fast)
- 2 - Internet: IP (routing, IP addresses)
- 1 - Link: Ethernet, WiFi (physical transmission, MAC addresses)
Remember: Data goes DOWN layers when sending (App→Link), UP layers when receiving (Link→App)!
Keep building this topic
Read this section alongside the surrounding pages in TCP/IP Layers. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for TCP/IP Layers
How many layers does the TCP/IP model have?
Describe what the Internet layer does in the TCP/IP model.
Quick Recall Flashcards
16 questions on TCP/IP Layers — practise free
Instant marking, adaptive difficulty, and 18 spaced repetition flashcards. Free until your GCSEs.
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