Q. What is the significance of using firewalls and authentication?


Answer =

Firewall: - A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communication. It is a programmer software or device or set of devices configured to permit, deny, encrypt, decrypt, or proxy wall (in and out) computer traffic between different security domains based upon a set of rules and other criteria.

Authentication: - To determine the identity of a person before granting access to private or sensitive data or information is known as authentication. Verifying the identity of an intruder or a person is difficult and needs complex protocols based on cryptography.

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