Firewall is used in communication network/system for protection from?

فائر وال کو مواصلاتی نیٹ ورک/سسٹم میں تحفظ کے لیے کیا استعمال کیا جاتا ہے؟

Virus attack

Fire attack

Data driven attack

Unauthorized attack

A firewall is a software or firmware that prevents unauthorized access to a network.

A firewall inspects incoming and outgoing traffic using a set of rules to identify and block threats.

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