Firewalls are used to protect a communication network system against: (A) Unauthorized attacks (B) Virus attacks (C) Data-driven attacks (D) Fire-attacks

Firewalls are used to protect a communication network system against: (A) Unauthorized attacks (B) Virus attacks (C) Data-driven attacks (D) Fire-attacks
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Answer: A In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed to not be secure or trusted.
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