What Is Firewall in Computer Network
https://www.hindimepost.com/what-is-firewall-in-computer-hindi/
Firewall Computer Networking security system hai jo hackers and malware se bachata hai. Firewall Computer me Virus ko aane or dusre Computer me jane se rokta hai. Internet par bahut si Virus infected website hote hai jinse Firewall Computer ko Virus se bachata hai.
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