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Last updated:

May 9, 2022


Unlimited Duration


This course includes:

Unlimited Duration

Badge on Completion

Certificate of completion

Unlimited Duration


Have you ever wondered how the internet gets into your home, school, college or workplace? How do all the computers, phones, tablets, printers and other devices connect and work together?

In this course, Discovering computer networks: hands on in the Open Networking Lab, you can explore how computer networks operate, discover how data is sent around the internet, put your understanding into practice using an inbuilt network simulator to create your own – simulated – computer networks.

The course starts by looking at ‘home networking’, introducing key concepts and principles as used in a relatively small computer network. Later, the course moves on to looking at ‘commercial networking’, where the same concepts and principles apply, but at a larger scale. Hence, you will gain insight into how computer networks operate in different contexts.

The course uses an embedded online network simulator – giving you the opportunity to put into practice some essential network technology skills.

The course is taught by lecturers at The Open University and working network engineers. Through their breadth of experience, you can gain a sound understanding of the underlying principles that enable computer networks to function, as well as practical guidance in building computer networks.

The course has been developed in collaboration with Cisco, and by enhancing their Packet Tracer tool.

Enrolling on the course will give you the opportunity to earn an Open University digital badge. Badges are not accredited by The Open University but they're a great way to demonstrate your interest in the subject and commitment to your career, and to provide evidence of continuing professional development.

Once you are signed in, you can manage your digital badges online from My OpenLearn. In addition, you can download and print your OpenLearn statement of participation - which also displays your Open University badge.

The Open University would really appreciate a few minutes of your time to tell us about yourself and your expectations for the course before you begin, in our optional start-of-course survey . Once you complete the course we would also value your feedback and suggestions for future improvement, in our optional end-of-course survey . Participation will be completely confidential and we will not pass on your details to others.

The course was developed by the Open University in collaboration with Cisco . Cisco is a world-leading computer networking company with a longstanding record in supporting the education sector.

The development of this course has been funded by the Ufi Charitable Trust , which aims 'to help improve vocational skills in the UK's workforce by funding digital solutions for vocational learning.'

This course is endorsed by the CPD Standards Office  .  It can be used to provide evidence of continuing professional development but is not accredited learning. We are unable to provide formal learner verification services for participation in our open online courses, which are provided freely by The Open University as self-directed CPD.

Anyone wishing to provide evidence of their enrolment on this course is able to do so by sharing their Activity Record on their OpenLearn Profile, which is available before completion of the course and earning of the Statement of Participation.

Earn this free Open University digital badge if you complete this course! The badge can be displayed, shared and downloaded as a marker of your achievement. The badge is awarded for completing the course and passing the quizzes.

Course learning outcomes

After studying this course, you should be able to:

  • Set up, configure and troubleshoot simulated computer networks
  • Understand the differences between the small-scale networks typically used in homes and the larger-scale networks used in commercial organisations
  • Know how these different network are managed
  • Have experience of practical activities using simulated versions of each.

Course Curriculum

  • Discovering computer networks: hands on in the Open Networking Lab Unlimited

About the instructor

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Open University UK