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3.5 Fundamentals of Computer NetworksHigh Exam FrequencyOCR

TCP/IP Layers

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 exam topic, so students should expect to explain it clearly under timed conditions.

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1

The Four-Layer Network Stack

Introduction2

TCP/IP Four-Layer Model

Diagram3

Layer 4: Application Layer

Key Facts4

Layer 3: Transport Layer

Key Facts5

Layer 2: Internet Layer

Key Facts6

Layer 1: Link Layer (Network Access)

Key Facts7

TCP/IP Four-Layer Model

Comparison8

Real-World Example: Loading a Webpage

Deep Dive9

Exam Tips - TCP/IP Layers

Exam Tips10

Quick Reference - TCP/IP Layers

Key Facts11

Knowledge Organiser: TCP/IP Layers

Summary

Sample Flashcards

Exam questions for TCP/IP Layers

How many layers does the TCP/IP model have?

  • A. 3
  • B. 4
  • C. 5
  • D. 7
1 markfoundation

Describe what the Internet layer does in the TCP/IP model.

2 marksstandard

16

exam-style questions

18

revision flashcards

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