INTRODUCTION TO COMPUTERS
COMPUTER NETWORKS AND THE INTERNET
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a barrier to prevent the spread of fire
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a software to restricts communication an improve security
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a warning set for a computer overheat
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limited state of PC operation
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Detailed explanation-1: -A firewall is a network security device that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of security rules to identify and block threats. A firewall can be physical hardware, digital software, software as a service (SaaS) or a virtual private cloud.
Detailed explanation-2: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies.
Detailed explanation-3: -A firewall is a security system designed to prevent unauthorized access into or out of a computer network. Firewalls are often used to make sure internet users without access are not able to interface with private networks, or intranets, connected to the internet.