Alison has over 1,000 high quality courses available across 9 distinct categories, all absolutely free to complete. All our courses are self-paced and have been designed by subject matter experts, to give you an interactive and enriched learning experience.
Depending on your learning goal, you can choose from:
Certificate courses (average time: 2-3 hours), which help you focus your learning to provide you with specific expertise in your field or industry.
Diploma courses (average time: 8-10 hours), which are designed to give you a more extensive understanding of a subject area, by helping you master multiple concepts within a subject.
Learning Paths (average time: 18-20 hours), which are a combination of niche courses that have been specially designed by experts, to help you: Broaden your skillset; Progress your knowledge; or Master a subject.
Use the search bar on the left if you are looking for a specific category, or browse through all courses below, and let’s get learning!
Learn about the risks and threats to computer security and privacy with the free online Network and Security courses from Alison. If you are looking for short introductory courses on network and security, then we suggest you take Introduction to Windows Server Administration and Introduction to Computer Network Security. You should also check out one of our longer and more comprehensive courses such as the Diploma in Computer Networking. You can take any of the classes from the comfort of your own home, so start your learning journey today!
Alison's free online Network and Security courses will teach you how to successfully protect a computer network and gain useful skills in risk management, cybersecurity, and cryptography. Looking for a short course to teach you more about computer security? Check out our Introduction to Computer Network Security and Network Server Security - Protecting the Server and Client Computers. We also suggest you take the Introduction to Windows Server Administration and Introduction to Server Administration Services to learn about the functions of a server, and more!
Alison's free online Network and Security courses will teach you how a computer helps its network users by sharing data files and hardware such as printers and scanners. If you are looking for a course to provide you with a comprehensive study of computer networking, then you have come to the right place! Check out our Diploma in Computer Networking and learn about the key devices found on local area networks (LANs), the structure and function of the different types of LANs and WANs, the network architecture and protocols used in network security, and more.
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