Diploma in Computer Networking

Network and Security
Free Course
Want to learn how computer networking works? This is vital knowledge for anyone advancing in the IT field. Computer networks are the basis of the internet itself. Any company with a website eventually needs somebody with a solid understanding of computer networking. By taking this course you’ll gain the knowledge of LANs, WANs, Hubs, Switches, network architecture, and protocols to boost your résumé and your employability significantly.
  • Duration

    6-10 Hours
  • Assessment

  • Certification

  • Publisher

    Channel 9




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This free course is designed to give you the knowledge you need start your journey towards being a master computer networker. The course first introduces you to the key devices found on local area networks, explains the structure and function of different types of LANs and WANs, and introduces you to the network architecture and protocols used in network security. It then moves on to explain the seven layers of the OSI Model, guides you through Routing and Remote Access Service and IPSec, and clearly explains the features and functions of VPN protocol.

Important network elements including Hubs, Switches and Routers will then be outlined, along with the structure and function of twisted-pair cables. You will be taught the crucial function of the Default gateway and DNS server in networking, and will be guided through advanced TCP/IP tools such as Netstat, Pathping, Nslookup, Telnet, NbtStat and Netsh. Finally, you will learn about the Network Intrusion Detection System (NIDS) and the Network Intrusion Prevention System (NIPS) which inspects network traffic and can remove, detain or redirect malicious traffic.

If you are considering a computer networking career or are taking professional computer networking exams, this is the course for you. Computer networking skills are vital to the modern world, and advancing your knowledge of this area will serve you well. So why wait? Get started, and in just 10 hours you will be much closer to being the professional computer networker you know you can be.


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Having completed this course you will be able to: - Explain how Hubs, Switches and Routers function. - Describe how Ethernet functions. - Describe the structure and function of IP Addresses. - List the seven layers of the OSI Model. - List the four layers of the TCP Model. - Explain the similarities and differences between the OSI Model and the TCP Model. - Describe the structure and function of twisted-pair cable. - Define the terms attenuation and interference in relation to networking. - Describe the structure and function of wireless networks. - Describe the structure of Internet Protocol addresses. - Describe the role of Default gateway and DNS server in networking. - Compare and contrast IPv4 versus IPv6 addresses. - Describe the function of basic TCP/IP tools such as command prompt, ipconfig and ping. - Describe the function of advanced TCP/IP tools such as Netstat, Pathping, Nslookup, Telnet, NbtStat and Netsh. - Describe Dynamic Host Configuration Protocol. - Describe the function of Remote Desktop Services. - Describe Routing and Remote Access Service and IPSec. - Describe Domain Name Service and WINS. - Describe Routing and its functions. - Describe Interior and Exterior Gateway Protocols. - Describe Wide Area Networking Technologies. - Describe the features and functions of VPN protocol: Point-to-Point Tunneling Protocol (PPTP) - Describe how Firewalls protect network security. - Describe how the role of a Perimeter network. - List the two types of Packet filtering and their functions. - Describe how an Application-level gateway functions. - Explain the different types of Network security systems.

All Alison courses are free to enrol, study and complete. To successfully complete this Diploma course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Diploma course, you have the option to acquire official Certification, which is a great way to share your achievement with the world. Your Alison Certification is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive to you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certification for completed Diploma courses:

Digital Diploma - a downloadable Diploma in PDF format, immediately available to you when you complete your purchase
Diploma - a physical version of your officially branded and security-marked Diploma that is posted to you (with FREE standard shipping worldwide)
Framed Diploma - a physical version of your officially branded and security-marked Diploma in a stylish frame that is posted to you (with FREE standard shipping worldwide)

All Certification is available to purchase through the Alison Shop. For more information on purchasing Alison Certification, please visit our faqs. If you decide not to purchase your Alison Certification, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certification pricing, please visit our Pricing Page.


Course Reviews

Marvin G.
2 years ago
Marvin G.

Very nice Learning site. Thank you so much!

Jose P.
2 years ago
Jose P.

first of all thank you, a great course very well explained

Lawrence K.
2 years ago
Lawrence K.

For me it's a course that has made me learn a lot about networking and now i feel i am ready to go out there and now start making use of this skills in my job. Thanks a lot to Alison for this opportunity.

Fongang Pedie A.
2 years ago
Fongang Pedie A.

The computer networking course offered by Alison is very interesting. I have learned many things on Networking. I am sure with what i learned, i can work as a network administrator

Abdoulaye T.
2 years ago
Abdoulaye T.

the course was very enlightening and the instructors were amazing, so it has helped me a lot. nonetheless, the assessment can still be improved, sometimes the questions are confusing.

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