GCSE OCR

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Unit 2: Wired and wireless networks

Specification J276 from 2016

2

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 1.4 and 1.5 of the OCR GCSE J276 Computing specification. Each lesson contains a worksheet to be done in class to consolidate students’ knowledge and understanding, as well as a homework sheet to give them plenty of practice in answering exam-type questions.

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 LAN network topologies and Ethernet, with further material on virtual networking. Wireless networking, frequencies and encryption are covered in a subsequent lesson. 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?

The GCSE units have been written to satisfy the specification for the theoretical Component 1 Computer systems of the OCR J276 Computing GCSE. Each unit contains:

  • 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

Relevant Text Books

Inside the Unit...

  • Lessons Covered

    • Lesson 1 The Internet
    • Lesson 2 Local Area Networks
    • Lesson 3 Wireless networking
    • Lesson 4 Client-server and peer-to-peer networks
    • Download free sample lesson below
    • 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.

    Download Sample Lesson 7.4mb

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