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J277 Unit 4: Network security and systems software

Specification J277 - Paper 1

 
4

Inside the Unit...

Download Free Sample 7.2mb

Areas Covered

  • Lesson 1 Network threats
  • Download free lesson above
  • Lesson 2 Identifying and preventing vulnerabilities
  • Lesson 3 Operating systems software
  • Lesson 4 Utility software
  • Lesson 5 Assessment

There are 4 worksheets, 4 homework tasks, and an assessment test, each with answers included in this unit.

Summary

This short unit is subdivided into four topics plus an examination style test. It is a theoretical unit covering Sections 1.4 and 1.5 of the latest OCR GCSE J277 Computing specification.

This unit begins by looking at the threats and vulnerabilities of computer systems and programs, including social engineering and the concept of SQL injection. Encryption and penetration testing are covered as examples of various methods of preventing vulnerabilities. The unit continues to focus on operating systems software, their function and typical utility software programs including defragmentation and compression programs.

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

What people say...

Over the past year or so we have been working through the resources which have prepared the students well.

Mark Osbourne. Head of Computing, Soar Valley College

Coming to the end of a year using both your AQA GCSE and AS level resources for the first time I just wanted to thank you – it’s been a very easy and pleasant experience!

Paul Curran. Director of IT, Christ College

Relevant Textbooks

Inside the Unit...

  • Download Free Sample 7.2mb

    Areas Covered

    • Lesson 1 Network threats
    • Download free lesson above
    • Lesson 2 Identifying and preventing vulnerabilities
    • Lesson 3 Operating systems software
    • Lesson 4 Utility software
    • Lesson 5 Assessment

    There are 4 worksheets, 4 homework tasks, and an assessment test, each with answers included in this unit.

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