Category: Blog

Blog Certifications videos

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CSMA/CD and CSMA/CA Explained

What is CSMA/CD & CSMA/CA? Have you ever wondered how computers send data on a network without interfering with the data from other computers? This is an animated video explaining what carrier sense multiple...

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What is a Firewall?

This is an animated video explaining what a network firewall is. A firewall is a system that is designed to prevent unauthorized access from entering a private network by filtering the information that comes...