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A network is connecting two or more devices such as computers, webcams, laptops, printers, etc to share data and files via an Internet connection. The most commonly used connecting device is a router which helps in connecting other devices via cable or wireless connections. Network security is the process of taking precautionary measures to protect the devices from unauthorized access, modification, or destruction.

00:00:00 Introduction
00:03:15 Need of cyber security and the different types
00:06:21 What is a network and reference model?
00:10:30 What is network security, types of attacks, and the vulnerabilities
00:15:35 Tools used to ensure network security and the protocols
00:20:57 network security solution
00:26:50 Network security best practices for business
00:29:16 Certifications
00:34:33 Network Security Engineer
00:35:55 Summary

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