Answer / Prabhat Mukul

A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Its primary function is to prevent unauthorized access to or from a private network.

What are the functions of network layer?

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What is the role of ieee in computer networking?

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What is the number of network ids in a class c network?

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Describe the layers of osi model?

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Why the standard of an osi model is termed as 802.xx?

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What are the different versions of PVDM?

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What is AAR?

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How can you manage a network using a router?

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What is a network?

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