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GCSE OCR

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J277 Unit 3: Networks, connections and protocols

Specification J277 - Paper 1

 
3

Inside the Unit...

Download Free Sample 4.9mb

Areas Covered

  • Lesson 1 The Internet and wide area networks
  • Lesson 2 Local Area Networks
  • Lesson 3 Wireless networking
  • Lesson 4 Client-server and peer-to-peer networks
  • Download free lesson above
  • Lesson 5 Protocols and layers
  • Lesson 6 Assessment

There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

Summary

The unit is subdivided into six learning hours spread across six lessons, including a test, in order to fit with most school timetables. It is a theoretical unit covering Section 1.3 of the latest OCR GCSE J277 Computing specification.

The unit begins by explaining the Internet and IP addressing, with practical exercises to help students understand the role of packet switching and DNS services. The lessons move on to look at star and mesh LAN network topologies and Ethernet. Wireless networking and encryption are covered in subsequent lessons. Client-server networks and hosting are addressed with a final lesson describing common protocols and the concept of layers. At the end of the unit, students sit an assessment test comprising questions similar to those found on the OCR exam paper.

What's included in the toolkit?

Toolkit

The GCSE units have been written to comprehensively satisfy the specification the OCR J277 Computing GCSE. Each unit delivers a complete solution comprising:

  • PowerPoint slides for each lesson
  • Detailed lesson plans
  • Learning objectives and outcomes
  • Worksheets and homework activities with answers
  • End-of-unit Assessment test with answers
  • Other material and links to online resources

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Relevant Textbooks

Inside the Unit...

  • Download Free Sample 4.9mb

    Areas Covered

    • Lesson 1 The Internet and wide area networks
    • Lesson 2 Local Area Networks
    • Lesson 3 Wireless networking
    • Lesson 4 Client-server and peer-to-peer networks
    • Download free lesson above
    • Lesson 5 Protocols and layers
    • Lesson 6 Assessment

    There are 5 worksheets, 5 homework tasks, and an assessment test, each with answers included in this unit.

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